8416.5 kHz VFF Canadian Coast Guard Iqaluit NUN, Canada
WVS = World Vector Shoreline

8416.5 kHz NMC United States Coast Guard San Francisco CA, United States of America

8416.5 kHz NMC United States Coast Guard San Francisco CA, United States of America

16984.0 kHz PWZ Brazilian Navy Rio de Janeiro, Brazil
A specially formatted sample Klingenfuss frequency database
is perfectly integrated in the go2MONITOR GUI

518.0 kHz Sandakan Radio, Sabah, Malaysia
NTM = Notice to Mariners

518.0 kHz UFO Kholmsk Radio FE, Russian Federation
Proliv = Strait
Zaliv = Bay

518.0 kHz UFL Vladivostok Radio SE, Russian Federation

5655.0 kHz H06 HFDL Hat Yai Air, Thailand, + aircraft OH-LWK enroute EFHK - VTBS
go2MONITOR's superb Result Viewer allows easy selection of MIAM
out of hundreds of decoded messages by means of advanced filter settings ...
go2MONITOR perfectly re-assembles and decodes MIAM CORE data ...
These are often messages in Airbus' XML format
Engine cruise data ...
MIAM = Media Independent Aircraft Message
PDU = Pilot Display Unit

5655.0 kHz H06 HFDL Hat Yai Air, Thailand, + aircraft ES-SAG + N620UP + N892FD + TC-LGF + VT-ANZ + VT-IAQ + flight HVN790 + SIA623
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
ETP = Equitime Point
FSM = Flight System Message
RCD = Request for Departure Clearance

5655.0 kHz H06 HFDL Hat Yai Air, Thailand, + aircraft B-32G + N618FE + 9V-SCF + 9V-SHJ + 9V-SMM + flight FDX905
ZFW + T1 + T2 + T3 + AUX + TAIL - TX = TOGW ... however this weight/balance sheet is incomplete
CFD = Centralized Fault Data
TOCG = Take Off Centre of Gravity
ZFCG = Zero Fuel Centre of Gravity
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

5655.0 kHz H06 HFDL Hat Yai Air, Thailand, + aircraft 9V-SJG + 9V-SJH + flight QR004Y
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response
FMH = Facilities Message Header = Flight Number
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• The TP4 (= Transport Protocol Class 4) message
notifies the pilot of an ATSU identifier
• DELAY is a critical procedure, designed to prevent pilots
from acting on any old CPDLC messages
that might have been delayed in the network
The most serious of such cases would be
the pilot executing a clearance that was no longer valid
• The Periodic Contract is a report sent every ... minutes
It specifies the reporting rate at which the avionics is required
to assemble and downlink the requested information to the ground system
The minimum reporting rate is usually not greater than every 14 minutes
but can vary to suit the need of the ground station
This procedure allows longitudinal and lateral separation of aircraft
in oceanic areas to be reduced to 30 nautical miles
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

15615.0 kHz VMW Wiluna Meteo WA, Australia

15615.0 kHz VMW Wiluna Meteo WA, Australia

10555.0 kHz VMW Wiluna Meteo WA, Australia
MSLP = Mean Sea Level Pressure

6646.0 kHz H09 HFDL Barrow Air, Alaska, + flight APZ131 + CES583

6565.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + aircraft C-FGHZ + HL7578 + N633UP + N37018 + flight CCA982
AGFSR = Air to Ground Flight Situation Report
DT = Destination, followed by the runway number
FN = Flight Number
OCC = Operations Control Center
TS = Time Stamp
• PRG = Flight Progress Report sent shortly
(i.e. 1 hour - 10 minutes) before arrival,
typically including destination airport followed by
estimated runway for landing, estimated FOB, ETA, and FN
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus data for navigational accuracy
• The Waypoint Change Event is triggered by a change
made to the Next, or the Next-plus-one waypoint
This change normally occurs due to normal waypoint sequencing by the FMS
The Next or Next-plus-one waypoint can be either an ATS waypoint or a pilot inserted waypoint
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

22448.8 kHz FUV French Navy Jibuti, Djibouti

8424.0 kHz SVO Olympia Radio, Athens, Greece

6565.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + aircraft B-LIF + EI-KBU + JA825A + JA885A + N633UP + flight UPS99A
Code figures for PANC runways braking action - see e.g. here
PANC - VHHH L/R engine parameters ...
DFB = Digital Flight Book
MDPWI = Meteorological Data - Predicted Wind for FL 330 350 370 390
TI2 = Terminal Information Request
• The Periodic Contract is a report sent every ... minutes
It specifies the reporting rate at which the avionics is required
to assemble and downlink the requested information to the ground system
The minimum reporting rate is usually not greater than every 14 minutes
but can vary to suit the need of the ground station
This procedure allows longitudinal and lateral separation of aircraft
in oceanic areas to be reduced to 30 nautical miles
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

6559.0 kHz H01 HFDL San Francisco Air CA, United States of America, + aircraft B-32F8 + B-6546 + B-7836 + F-HRBC + N880FD + 9V-SMT + flight FDX77
PACD is an ETOPS emergency alternate airport
for trans-Pacific flights with RWY 15/33 = 3103 metres ...
AOC = Airline Operations Control
CFB = Centralized Fault Book
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
TI2 = Terminal Information Request
VSC = Vacuum System Controller
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

13351.0 kHz H05 HFDL Auckland Air, New Zealand, + aircraft B-324J + JA12KZ + JA214P + 9V-SJE + flight UAE7DK
CDA = Continuous Descent Approach
PDC = Pre-Departure Clearance
TI2 = Terminal Information Request
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

518.0 kHz UGE Arkhangelsk Radio, Russian Federation
AIS = Automatic Identification System
Zaliv = Bay

518.0 kHz Gislovshammar Radio, Sweden
Warnings still in force - received 011730Z DEC 2024
AIS = Automatic Identification System
VTS = Vessel Traffic Service

518.0 kHz Bjuroklubb Radio, Sweden

518.0 kHz UUI Odessa Radio, Ukraine

13270.0 kHz H06 HFDL Hat Yai Air, Thailand, + aircraft B-324J + VN-A513 + 9V-SHS + flight SIA266 + UAE354
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
Code figures for WSSS runways braking action - see e.g. here
AGM = Miscellaneous Air/Ground Message
RSCD = Runway Surface Condition
TI2 = Terminal Information Request

9110.0 kHz NMF United States Coast Guard Boston MA, United States of America

9110.0 kHz NMF United States Coast Guard Boston MA, United States of America
NCEP = National Centers for Environmental Prediction

9110.0 kHz NMF United States Coast Guard Boston MA, United States of America
NCEP = National Centers for Environmental Prediction

9110.0 kHz NMF United States Coast Guard Boston MA, United States of America

9110.0 kHz NMF United States Coast Guard Boston MA, United States of America
NCEP = National Centers for Environmental Prediction
OPC = Ocean Prediction Center

17967.0 kHz H15 HFDL Muhurroq Air, Bahrain, + aircraft A6-AES + A6-EIS + EI-KDG + F-HRNB + HZ-NS23 + RA73151 + 7O-AFB + 7O-AFE + flight ETD2FP
AA = Arrival Airport
ADIRU = Air Data Inertial Reference Unit
ASM = Air Separation Module
CFB = Centralized Fault Book
CFDS = Centralized Fault Display System
CSAS = Conditioned Service Air System
CVDR = Cockpit Voice and Data Recorder
DA = Departure Airport
DFB = Digital Flight Book
DM = Time Stamp
DS = Destination Airport
DT = Destination, followed by the runway number
ECAM = Electronic Centralized Aircraft Monitoring
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
FTIS = Fuel Tank Inerting System
FWC = Flight Warning Computer
IR = Inertial Reference
REQFPN = FPL report request uplink
REQPWI = Predicted Wind Request for FL 340 320 300 280
RESREQ/AK = FMS downlink acknowledgement of a REQFPN uplink
SDU = Satellite Data Unit
TS = Time Stamp
WN = Warning Number, followed by the Date-Time Group
WXR = Weather Radar
• The Altitude Range Change Event is triggered
when the aircraft's altitude exceeds the altitude ceiling
or floor defined in the contract by the ground system
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

6565.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + aircraft C-FNOE + N849FD + flight ANA860
PASY is an ETOPS emergency alternate airport in the Alaskan Aleutian Islands
for trans-Pacific flights ... RWY 10/28 is 3049 metres long
PMDY is an ETOPS emergency alternate airport
for trans-Pacific flights with RWY 6/24 = 2377 metres ...
AWDAF = Automated Weather Data - Area Forecast

6565.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + aircraft B-32HF + B-325J + B-1266 + B-2480 + B-6556 + EZ-F430 + HL8387 + JA16KZ + N23983 + flight SIA37
Riding on the North Pacific Jet Stream near Japan
at 607 knots = 1124+ kilometres per hour ...
CFD = Centralized Fault Data
TI2 = Terminal Information Request
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FCA = Facilities Contact Advisory
FMH = Facilities Message Header = Flight Number
• The TP4 (= Transport Protocol Class 4) message
notifies the pilot of an ATSU identifier
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus data for navigational accuracy
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

6565.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + aircraft B-325J + B-1266 + B-5849 + HL7640 + HL8387 + JA806A + JA822P + N782AM + flight ACA04
AGM = Miscellaneous Air/Ground Message
TI2 = Terminal Information Request
• The Waypoint Change Event is triggered by a change
made to the Next, or the Next-plus-one waypoint
This change normally occurs due to normal waypoint sequencing by the FMS
The Next or Next-plus-one waypoint can be either an ATS waypoint or a pilot inserted waypoint
• The Periodic Contract is a report sent every ... minutes
It specifies the reporting rate at which the avionics is required
to assemble and downlink the requested information to the ground system
The minimum reporting rate is usually not greater than every 14 minutes
but can vary to suit the need of the ground station
This procedure allows longitudinal and lateral separation of aircraft
in oceanic areas to be reduced to 30 nautical miles
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

6559.0 kHz H01 HFDL San Francisco Air CA, United States of America, + aircraft F-HREY + HL8387 + JA18KZ + JA880A + flight AS1043
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

6559.0 kHz H01 HFDL San Francisco Air CA, United States of America, + aircraft DQ-FJU + HL8387 + N708NK + N748AM + XA-VVB + flight AS0502
RJAA - MMMX L/R engine parameters ...
AGM = Miscellaneous Air/Ground Message
DFB = Digital Flight Book
• Engine Cruise Report CYVR - NFFN ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Aircraft in-flight performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

518.0 kHz GPK Portpatrick Radio, United Kingdom
FOSNI = Flag Officer Scotland and Northern Ireland
GUNFACTS = Practice firing intentions by military units
SUBFACTS = Planned or known submarine activity

518.0 kHz OXJ Torshavn Radio, Faroe Islands, Denmark
DMI = Danish Meteorological Institute

3585.0 kHz HLL8 Soul Meteo, South Korea

13570.0 kHz HLL Soul Meteo, South Korea

13351.0 kHz H05 HFDL Auckland Air, New Zealand, + aircraft B-1293 + CN-RGC + HL8286 + HL8293 + JU1410 + 9V-SJF + flight QTR29L
Increasing solar activity - and the ionosphere going totally crazy:
ETA request uplink for a OMDB - GMMN Arabia - North Africa flight ... via Auckland!
AGM = Miscellaneous Air/Ground Message
CCO = Operations Control Centre
OCC = Operations Control Center
TI2 = Terminal Information Request
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

8912.0 kHz H04 HFDL Riverhead Air NY, United States of America, + aircraft N121FE + N946AV + flight KAL036
Extremely detailed SKRG landing data ...
• Engine Cruise Report SKCL - SKRG ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Aircraft in-flight performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...
Note that in this screenshot, however, the text is not table-formatted;
anyway, standard row identifiers such as CC C0 C1 CE ... can be easily identified after the slash ...

4209.5 kHz XSQ Guangzhou Radio, China
What those megalomaniac Communist Chinese call "Zengmu Ansha Reef"
is in fact James Shoal, recognized by the Brits in the early 19th Century
and listed on the British Admiralty Chart in the 1870s (!).
Needless to say, located a mere 83 kilometres off Bintulu in Sarawak,
BETING SERUPAI belongs perfectly to the continental shelf and EEZ of MALAYSIA,
and has never repeat NEVER been a territory of Communist "China"
that is more than 1,800 kilometres repeat
MORE THAN ONE THOUSAND EIGHT HUNDRED KILOMETRES away!
Alamak!! Tak boleh tahan lah!!!

10084.0 kHz H05 HFDL Auckland Air, New Zealand, + aircraft B-6543 + CC-BGJ + PK-BGJ + PK-GFH + VN-A871 + flight DAL41
CCV = Centro Control Vuelos
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

8936.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + aircraft HL8517 + JA214A + N855FD + RA73673 + flight UAL165 + UPS61
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
RA73673 is the "re-registered" (read: seized) Aurora Airbus A319-111
leased from AMCK (Aviation Maverick Cheung Kong) Holdings Ireland Limited
and originally registered as VQ-BBD in Bermuda ...
TI2 = Terminal Information Request
CFB = Centralized Fault Book
DA = Departure Airport
DM = Time Stamp
DS = Destination Airport
LLD = Large Lateral Deviation = 10 NM or more without ATC approval
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

518.0 kHz CTV Portuguese Navy Lisbon, Portugal
CENCOMAR = Centro de Comunicacao de Dados e Cifra da Marinha
LL = Light List

518.0 kHz EAL Las Palmas Radio, Canary Islands

518.0 kHz GNI Niton Radio, United Kingdom
FOST = Flag Officer Sea Training
GUNFACTS = Practice firing intentions by military units
SUBFACTS = Planned or known submarine activity

21931.0 kHz H04 HFDL Riverhead Air NY, United States of America, + aircraft C-FNOE + EC-ODR + F-HTYO + HP1525 + N239NV + 9V-SGD + flight AVA847
POSREP = POS, WP, ATO, FL, next+1 WP, ETO, next+2 WP,
ETO, temperature, wind, FOB or SOG, time stamp, date, HEX serial
CFB = Centralized Fault Book
DB = Dash Board
EOR = End of Report
FRC = Fault Reporting Code
SITA = Societe Internationale de Telecommunication Aeronautique
TI2 = Terminal Information Request
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

518.0 kHz ZSQ Port Elizabeth Radio, South Africa (Republic of)
ZSJ has been ZAN (QRT ...) for many years now ...
SAN = South African Navy

518.0 kHz NMQ United States Coast Guard Long Beach CA, United States of America
BNM = Broadcast Notice to Mariners
IAW = In Accordance With
LA = Los Angeles
LB = Long Beach
PMSR = Point Mugu Sea Range

8942.0 kHz H07 HFDL Shannon Air, Ireland, + aircraft CN-ROR + F-WZFZ + TF-PPC + TF-PPE + VH-VHD + YU-APN + 50002B + flight KNE210
F-WZFZ is an Airbus A350-1041 on a LFBO - LFBO test flight, to become JA08WJ for Japan Airlines ...
VH-VHD going to Wilkins Runway in Antarctica!
"Snow Bird" is fitted with long-range fuel tanks
and a myriad of modifications to be certified for Antarctic operations
The 3,500 metres runway has to be reclaimed regularly from Peterson Glacier's surface ...
Code figures for LFPO runways braking action - see e.g. here
AGM = Miscellaneous Air/Ground Message
CCO = Operations Control Centre
CFB = Centralized Fault Book
CG = Center of Gravity
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
IR = Inertial Reference
MMR = Multi-Mode Receiver
REQPWI = Predicted Wind Request for FL 380 360 340 320
RSCD = Runway Surface Condition
TI2 = Terminal Information Request

518.0 kHz Balasore Radio, India
IMD = India Meteorological Department

8942.0 kHz H07 HFDL Shannon Air, Ireland, + aircraft CN-ROL + CN-ROY + EC-NGM + F-WZFZ + G-VJAZ + OE-LZE + flight AUA864
F-WZFZ is an Airbus A350-1041 on a LFBO - LFBO test flight, to become JA08WJ for Japan Airlines ...
Code figures for BIKF and LFPG runways braking action - see e.g. here
AGM = Miscellaneous Air/Ground Message
CCO = Operations Control Centre
RSCD = Runway Surface Condition
TI2 = Terminal Information Request

518.0 kHz JNB Naha Radio, Okinawa Island, Japan

518.0 kHz PKX Jakarta Radio, Indonesia
BMKG = Badan Meteorologi Klimatologi dan Geofisica
ILL = International Light List

13270.0 kHz H06 HFDL Hat Yai Air, Thailand, + aircraft A6-AES + B-5948 + flight AJX1 + SIA468
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
ZFW + TOF = TOW - TIF = LAW + UNDLD = MAX
BI = Basic Index
DOI = Dry Operating Index
LITOW = Loaded Index at TOW
LIZFW = Loaded Index at ZFW
MAC... = Mean Aerodynamic Chord ...
MCC = Maintenance Control Center
SI = Supplementary Information
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FCO ADS = Facilities Contact ADS-C
FCO ATC = Facilities Contact CPDLC
FMH = Facilities Message Header = Flight Number
FPO = Facilities Current Position
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

13351.0 kHz H05 HFDL Auckland Air, New Zealand, + aircraft B-5968 + JA12VA + RA73148 + 9V-SHN + flight SU1011
AGM = Miscellaneous Air/Ground Message
• Engine Cruise Report NZAA - ZSPD ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Aircraft in-flight performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

13315.0 kHz H13 HFDL Santa Cruz Air, Bolivia, + aircraft EC-NBN + HP1845 + PR-TYI + PR-TYL + flight LAN711 + ME0217
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
POSREP = POS, WP, ATO, FL, next+1 WP, ETO, next+2 WP,
ETO, temperature, wind, FOB or SOG, time stamp, date, HEX serial
BSCU = Brake System Control Unit
BTMU = Brake Temperature Monitoring Unit
CFB = Centralized Fault Book
DU = Display Unit
EIS = Electronic Instrument System
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
SD = System Display
TI2 = Terminal Information Request

518.0 kHz NMA United States Coast Guard Miami FL, United States of America
BNM = Broadcast Notice to Mariners

518.0 kHz TFX Siglufjördur Radio, Iceland
Saudanes is a lighthouse near Siglufjördur

6661.0 kHz H04 HFDL Riverhead Air NY, United States of America, + aircraft CC-BDB + HC-CRU + JA806A + JY-BAG + 9V-SGG + flight KQA003
LASHO should read LAHSO!!! Tak boleh lah, no need to lash your aircraft lah!!!
AGM = Miscellaneous Air/Ground Message
DFB = Digital Flight Book KIAD - RJTT
DT = Destination, followed by the runway number
FN = Flight Number
LAHSO = Land And Hold Short Operations
TI2 = Terminal Information Request
• DELAY is a critical procedure, designed to prevent pilots
from acting on any old CPDLC messages
that might have been delayed in the network
The most serious of such cases would be
the pilot executing a clearance that was no longer valid
• PRG = Flight Progress Report sent shortly
(i.e. 1 hour - 10 minutes) before arrival,
typically including destination airport followed by
estimated runway for landing, estimated FOB, ETA, and FN
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

6661.0 kHz H04 HFDL Riverhead Air NY, United States of America, + aircraft B-7838 + CC-BGA + CC-BGV + F-HTYM + HP1525 + JA210P + JY-BAB + N127FE + N26967 + flight AS0280
AGM = Miscellaneous Air/Ground Message
CG = Center of Gravity
CI = Consistency Index
FEL = Fuel Estimation Left
FER = Fuel Estimation Right
GOCC = Global Operations Control Center
HCC = Hub Control Center
MCC = Maintenance Control Center
• The Waypoint Change Event is triggered by a change
made to the Next, or the Next-plus-one waypoint
This change normally occurs due to normal waypoint sequencing by the FMS
The Next or Next-plus-one waypoint can be either an ATS waypoint or a pilot inserted waypoint
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

21934.0 kHz H01 HFDL San Francisco Air CA, United States of America, + aircraft EI-HJP + HP1833 + N239NV + XA-VVB + 9V-SJA + flight M73228 + UAL1803
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
CFB = Centralized Fault Book
DX = Dispatcher
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
OCC = Operations Control Center
TI2 = Terminal Information Request
TPIC = Tire Pressure Indicator Computer
• Engine Cruise Report LIRF - KMIA ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Aircraft in-flight performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...

518.0 kHz A9M Hamala Radio, Bahrain
MENAS = Middle East Navigation Aids Service
MEGULITE = Middle East Gulf Lighting Service
MTT = Ministry of Transportation and Telecommunications
PMA = Ports and Maritime Affairs

8425.5 kHz XSG Shanghai Radio, China
Characters in brackets denote the Latin alphabet
The four-figure groups without brackets
are Chinese ideographs
Presumably local time used here since received at 0750 UTC ...

21934.0 kHz H01 HFDL San Francisco Air CA, United States of America, + aircraft 9V-SJA enroute KSEA - WSSS
go2MONITOR's superb Result Viewer allows easy selection of MIAM
out of hundreds of decoded messages by means of advanced filter settings ...
go2MONITOR perfectly re-assembles and decodes MIAM CORE data ...
These are often messages in Airbus' XML format
MIAM = Media Independent Aircraft Message
PDU = Pilot Display Unit

21934.0 kHz H01 HFDL San Francisco Air CA, United States of America, + aircraft C-GUFU + HP1714 + N505DN + 9V-SJA + XA-VCC + flight KAL085
POSREP = POS, WP, ATO, FL, next+1 WP, ETO, next+2 WP,
ETO, temperature, wind, FOB or SOG, time stamp, date, HEX serial
SITA = Societe Internationale de Telecommunication Aeronautique
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus data for navigational accuracy
• The Periodic Contract is a report sent every ... minutes
It specifies the reporting rate at which the avionics is required
to assemble and downlink the requested information to the ground system
The minimum reporting rate is usually not greater than every 14 minutes
but can vary to suit the need of the ground station
This procedure allows longitudinal and lateral separation of aircraft
in oceanic areas to be reduced to 30 nautical miles
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

4209.5 kHz XVN Nha Trang Radio, Viet Nam

17919.0 kHz H01 HFDL San Francisco Air CA, United States of America, + aircraft HP1714 + flight AS0828 + DAL388
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
MEL = Minimum Equipment List

4209.5 kHz XVN Nha Trang Radio, Viet Nam
Warnings still in force - received 241620Z NOV 2024

9165.0 kHz HLL Soul Meteo, South Korea

9165.0 kHz HLL Soul Meteo, South Korea

13074.0 kHz JFC Misaki Fisheries Radio, Japan
Japanese Coast Guard navigational warnings for NAVAREAs 10 / 11 ...
MICS = Maritime Information and Communication System
The date reads 6 11 24 = 2024 November 24
since the Japanese calendar year in the Reiwa Era is used here
Formula: Reiwa year + 2018 = Gregorian year

13074.0 kHz JFC Misaki Fisheries Radio, Japan
Latest tuna market prices ...
The date reads 6 11 24 = 2024 November 24
since the Japanese calendar year in the Reiwa Era is used here
Formula: Reiwa year + 2018 = Gregorian year

5655.0 kHz H06 HFDL Hat Yai Air, Thailand, + aircraft HS-XTG + N524DN + 9M-XBE - 9V-SMB + 9V-SMP + 9V-SMQ + flight CCA401
Code figures for EGCC runways braking action - see e.g. here
ADF = Automatic Direction Finder
BMC = Bleed Monitoring Computer
CFB = Centralized Fault Book
DMC = Display Management Computer
FCMC = Fuel Control and Monitoring Computer
FLR = Failure
FMC = Flight Management Computer
FMS = Flight Management System
FR = Fault Report, followed by the Date-Time Group
TI2 = Terminal Information Request
WN = Warning Number, followed by the Date-Time Group
• DELAY is a critical procedure, designed to prevent pilots
from acting on any old CPDLC messages
that might have been delayed in the network
The most serious of such cases would be
the pilot executing a clearance that was no longer valid
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• The Periodic Contract is a report sent every ... minutes
It specifies the reporting rate at which the avionics is required
to assemble and downlink the requested information to the ground system
The minimum reporting rate is usually not greater than every 14 minutes
but can vary to suit the need of the ground station
This procedure allows longitudinal and lateral separation of aircraft
in oceanic areas to be reduced to 30 nautical miles
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

6559.0 kHz H01 HFDL San Francisco Air CA, United States of America, + aircraft N624UP + flight AC0006 + KAL011
A NOTAM decoder can be found e.g. here
FICON = Field Conditions
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus data for navigational accuracy
• The Waypoint Change Event is triggered by a change
made to the Next, or the Next-plus-one waypoint
This change normally occurs due to normal waypoint sequencing by the FMS
The Next or Next-plus-one waypoint can be either an ATS waypoint or a pilot inserted waypoint
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

6559.0 kHz H01 HFDL San Francisco Air CA, United States of America, + aircraft N239NV + N583UP + N621FE + N624UP + flight KAL071
Code figures for PANC runways braking action - see e.g. here
BTMS = Brake Temperature Monitoring System
E/O GRAD = Engine Inoperative Approach Climb Gradient
TI2 = Terminal Information Request
• The TP4 (= Transport Protocol Class 4) message
notifies the pilot of an ATSU identifier
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

13351.0 kHz H05 HFDL Auckland Air, New Zealand, + aircraft CC-CXG + CN-RGC + LV-KHT + PK-GFP + VT-IFI + 5A-WLB + flight CPA111
Increasing solar activity - and the ionosphere going totally crazy:
Fault report downlink from a HLLM - DTTA less-than-one-hour
Mediterranean hop across the border ... via Auckland!
Increasing solar activity - and the ionosphere going totally crazy:
ETA request uplink for a KMIA - GMMN trans-Atlantic flight ... via Auckland!
Code figures for LFPG runways braking action - see e.g. here
POSREP = POS, WP, ATO, FL, next+1 WP, ETO, next+2 WP,
ETO, temperature, wind, FOB or SOG, time stamp, date, HEX serial
AFS = Auto Flight System
AGM = Miscellaneous Air/Ground Message
AMDAR = Aircraft Meteorological Data Relay SAEZ - MDPC
CCO = Operations Control Centre
CFB = Centralized Fault Book
CFDS = Centralized Fault Display System
CIDS = Cabin Intercommunication Data System
DAR = Data Access Recorder
DFB = Digital Flight Book
ECU = Electronic Control Unit
EIU = Engine Interface Unit
FADEC = Full Authority Digital Engine Control
FCNT = (DAR) Frame Counter
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
ISFC = Indicated Specific Fuel Consumption
PHC = Probe Heat Computer
PISA = Passenger Interface and Supply Adapter
RSCD = Runway Surface Condition
RTO = Report Time Over
SR = Seat Row
TI2 = Terminal Information Request
WN = Warning Number, followed by the Date-Time Group

518.0 kHz VAU Canadian Coast Guard Chebogue NS, Canada

518.0 kHz NMN United States Coast Guard Norfolk VA, United States of America
BNM = Broadcast Notice to Mariners

13570.0 kHz HLL Soul Meteo, South Korea
GK2A = GEO KOMP 2A = Geostationary Korea Multi Purpose Satellite
KMA = Korea Meteorological Administration

12382.0 kHz XSG Shanghai Radio, China
CMA = China Meteorological Administration

518.0 kHz OXF Simiutaq Radio, Greenland
DMI = Danish Meteorological Institute

6661.0 kHz H04 HFDL Riverhead Air NY, United States of America, + aircraft CN-RGS + EC-OAP + HP1833 + N625UP + N17015 + N29971 + XA-VRX + flight UAL399
CFB = Centralized Fault Book
DT = Destination, followed by the runway number
FLR = Failure
FN = Flight Number
FR = Fault Report, followed by the Date-Time Group
TI2 = Terminal Information Request
TS = Time Stamp
VSC = Vacuum System Controller
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• PRG = Flight Progress Report sent shortly
(i.e. 1 hour - 10 minutes) before arrival,
typically including destination airport followed by
estimated runway for landing, estimated FOB, ETA, and FN
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

6661.0 kHz H04 HFDL Riverhead Air NY, United States of America, + aircraft CN-RGS + CN-RGY + D-AXGF + EC-OAP + G-VEYR + HP1841 + N298FE + N625UP + N854FD + flight ARG130
DFD = Digital Flight Data
REQPWI = Predicted Wind Request for FL 390 360
RNP = Required Navigation Performance
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FCA = Facilities Contact Advisory
FMH = Facilities Message Header = Flight Number
• RAIM = Receiver Autonomous Integrity Monitoring
A RAIM prediction ensures that available GNSS signals
meet the integrity for a given phase of flight
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus data for navigational accuracy
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

518.0 kHz Centre Regional Operationnel de Surveillance et de Sauvetage Toulon, France

518.0 kHz 9AS Split Radio, Croatia

13270.0 kHz H06 HFDL Hat Yai Air, Thailand, + aircraft B-LNV + B-LXK + B-MBT + B-326V + B-1687 + B-6175 + ES-SAF + ET-AUA + HS-XTG + N109FE + N851FD + N26970 + flight CES638
The INRANGE message announces the aircraft being within VHF range of the DS
POSREP = POS, WP, ATO, FL, next+1 WP, ETO, next+2 WP,
ETO, temperature, wind, FOB or SOG, time stamp, date, HEX serial
AGM = Miscellaneous Air/Ground Message
DS = Destination Airport
OCC = Operations Control Center
TI2 = Terminal Information Request
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

518.0 kHz 9HD Valetta Radio, Malta
NTM = Notice to Mariners
SOLAS = Safety of Life at Sea
TM = Tele Malta

518.0 kHz EAV Valencia Radio, Spain

11030.0 kHz VMC Charleville Meteo QLD, Australia
RSMC = Regional Specialized Meteorological Centre

6413.8 kHz Digital data station

3192.0 kHz RMP Commonwealth of Independent States Navy Kaliningrad, Russian Federation

12610.0 kHz Digital data station

12579.0 kHz UAT Moscow Radio, Russian Federation

518.0 kHz Kao-Hsiung Radio, Taiwan (Democratic Republic of China)
VTS = Vessel Traffic Service

518.0 kHz XSI Sanya Radio, China
STS = Severe Tropical Storm

518.0 kHz VCG Canadian Coast Guard Moisie QUE, Canada

21937.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + aircraft B-KPV + B-18003 + HS-THK + N864GT + 9V-SMZ + flight UPS32
PACD is an ETOPS emergency alternate airport for trans-Pacific flights ...
TPEOD = Taipei Operational Department
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response
FCO ADS = Facilities Contact ADS-C
FCO ATC = Facilities Contact CPDLC
FMH = Facilities Message Header = Flight Number
FPO = Facilities Current Position
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

518.0 kHz 3BM Port Louis Radio, Mauritius

4210.0 (not 4209.5!) kHz L2C Argentinian Coast Guard Buenos Aires, Argentina
SHN = Servicio de Hidrografia Naval

518.0 kHz United States Coast Guard Savannah GA, United States of America
BNM = Broadcast Notice to Mariners

16559.0 kHz XSG Shanghai Radio, China
CMA = China Meteorological Administration

16559.0 kHz XSG Shanghai Radio, China
CMA = China Meteorological Administration

4209.5 kHz TAH Istanbul Radio, Turkey

4209.5 kHz XVN Nha Trang Radio, Viet Nam

17928.0 kHz H17 HFDL Telde Air, Canary Islands, + aircraft EC-OAQ + F-HTYL + F-HUVO + G-POWK + G-VKSS + flight AWC288 + IBE015
REQPWI = Predicted Wind Request for FL 410 390 360 340
MDPWI = Meteorological Data - Predicted Wind for FL 410 390 370 350
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FCO ADS = Facilities Contact ADS-C
FCO ATC = Facilities Contact CPDLC
FMH = Facilities Message Header = Flight Number
FPO = Facilities Current Position
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

518.0 kHz CBP Puerto Montt Radio, Chile

17916.0 kHz H05 HFDL Auckland Air, New Zealand, + aircraft B-208X + EC-NBN + HL7634 + ZS-SXF + 9M-XBG + flight SU1011
POSREP = POS, WP, ATO, FL, next+1 WP, ETO, next+2 WP,
ETO, temperature, wind, FOB or SOG, time stamp, date, HEX serial
CFB = Centralized Fault Book
WN = Warning Number, followed by the Date-Time Group
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus data for navigational accuracy
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

10084.0 kHz H05 HFDL Auckland Air, New Zealand, + aircraft B-5942 + HL7640 + JA209P + N624UP + flight SIA279
A NOTAM decoder can be found e.g. here
Code figures for PANC runways braking action - see e.g. here
AGM = Miscellaneous Air/Ground Message
FICON = Field Conditions
ITC = Inter-Tropical Convergence Zone
LGTM = Light Minus Turbulence = relatively weaker intensity
LGTP = Light Plus Turbulence = relatively greater intensity
OCC = Operations Control Centre
• Engine Cruise Report ZSHC - NZAA ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Aircraft in-flight performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...

518.0 kHz XSG Shanghai Radio, China
MSA = Maritime Safety Administration

Tropical Cyclones 2423 Toraji ... 2424 Usagi ... 2425 Man-Yi ...

518.0 kHz XSZ Dalian Radio, China

17919.0 kHz H04 HFDL Riverhead Air NY, United States of America, + aircraft A7-AME + F-HRBH + JY-BAA + N840FD+ flight ACA966
AGM = Miscellaneous Air/Ground Message
FSM = Flight System Message
LLD = Large Lateral Deviation = 10 NM or more without ATC approval
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

12711.0 kHz PWZ Brazilian Navy Rio de Janeiro, Brazil

12711.0 kHz PWZ Brazilian Navy Rio de Janeiro, Brazil
A specially formatted sample Klingenfuss frequency database
is perfectly integrated in the go2MONITOR GUI

21928.0 kHz H16 HFDL Barrigada Air, Guam, + aircraft B-32DX + B-8649 + B-18907 + HL8099 + JA204P + JA902P + JA903P + flight CES575
Code figures for VHHH runways braking action - see e.g. here
AGM = Miscellaneous Air/Ground Message
IAO = In and Out of Clouds
LGTM = Light Minus Turbulence = relatively weaker intensity
OCC = Operations Control Centre
PDC = Pre-Departure Clearance
TC = Tropical Cyclone
TCAC = Tropical Cyclone Advisory Centre
TI2 = Terminal Information Request
TPEOD = Taipei Operational Department

13988.5 kHz JMH4 Tokyo Meteo, Japan

13988.5 kHz JMH4 Tokyo Meteo, Japan

13988.5 kHz JMH4 Tokyo Meteo, Japan

13988.5 kHz JMH4 Tokyo Meteo, Japan

13988.5 kHz JMH4 Tokyo Meteo, Japan

13988.5 kHz JMH4 Tokyo Meteo, Japan

518.0 kHz 4XO Haifa Radio, Israel -
NTM = Notice to Mariners

518.0 kHz SUK Quseir Radio, Egypt
BA = British Admiralty
GAPCO = Gulf Africa Petroleum Corporation

518.0 kHz EQI Abbas Radio, Iran
PMO = Port and Maritime Organization

10030.0 kHz H15 HFDL Muhurroq Air, Bahrain, + aircraft A6-EIP + A7-APG + B-LNZ + B-32AG + F-HTYC + SU-GEM + VN-A691 + 7O-AFE + flight CCA426
AGM = Miscellaneous Air/Ground Message
OMC = Operations Management Center
REQPWI = Predicted Wind Request for FL 360
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response
FMH = Facilities Message Header = Flight Number
• The Periodic Contract is a report sent every ... minutes
It specifies the reporting rate at which the avionics is required
to assemble and downlink the requested information to the ground system
The minimum reporting rate is usually not greater than every 14 minutes
but can vary to suit the need of the ground station
This procedure allows longitudinal and lateral separation of aircraft
in oceanic areas to be reduced to 30 nautical miles
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

518.0 kHz NMW United States Coast Guard Astoria OR, United States of America
BNM = Broadcast Notice to Mariners
LB = Lighted Buoy
LBB = Lighted Bell Buoy
LLNR = Light List Number
LT = Light

8040.0 kHz GYA Royal Navy London, United Kingdom

8040.0 kHz GYA Royal Navy London, United Kingdom

16806.5 kHz NRV United States Coast Guard Apra Harbour, Guam
ITCZ = Inter-Tropical Convergence Zone

9110.0 kHz NMF United States Coast Guard Boston MA, United States of America

16971.0 kHz JJC Kyodo Tsushin Tokyo, Japan

16971.0 kHz JJC Kyodo Tsushin Tokyo, Japan

4209.5 kHz XVG Hai Phong Radio, Viet Nam

4209.5 kHz XSQ Guangzhou Radio, China
MSA = Maritime Safety Administration
TY = Typhoon

17985.0 kHz H03 HFDL Reykjavik Air, Iceland, + aircraft OH-LWE enroute GCLP - EFHK
go2MONITOR's superb Result Viewer allows easy selection of MIAM
out of hundreds of decoded messages by means of advanced filter settings ...
go2MONITOR perfectly re-assembles and decodes MIAM CORE data ...
These are often messages in Airbus' XML format
CMS = Cabin Management System
DEU = Decoder-Encoder Unit
MIAM = Media Independent Aircraft Message
MSN = Manufacturer's Serial Number
PDU = Pilot Display Unit
PSU = Passenger Service Unit
RTR = Ready To Receive

17985.0 kHz H03 HFDL Reykjavik Air, Iceland, + aircraft C-FIUW + C-GTSZ + CN-RGY + CN-RGZ + EC-OGE + RA73701 + flight EI0141
POSREP = POS, WP, ATO, FL, next+1 WP, ETO, next+2 WP,
ETO, temperature, wind, FOB or SOG, time stamp, date, HEX serial
AGM = Miscellaneous Air/Ground Message
CDB = Commandant Du Bord
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus data for navigational accuracy
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

11387.0 kHz H04 HFDL Riverhead Air NY, United States of America, + aircraft B-2412 + CC-CWF + N574DZ + flight CCA983
NTAA is an ETOPS emergency alternate airport for trans-Pacific flights ...
DA = Decision Altitude
DAR = Data Access Recorder
DFB = Digital Flight Book
EGT = Exhaust Gas Temperature
FCNT = (DAR) Frame Counter
FF = Fuel Flow (for engines 1 + 2)
IDGT = Integrated Drive Generator Temperature
ISFC = Indicated Specific Fuel Consumption
OIP = Oil Pressure
OIQ = Oil Quantity
OIT = Oil Temperature
TLA = Thrust Lever Angle

13312.0 kHz H16 HFDL Barrigada Air, Guam, + aircraft B-20EH + B-32DZ + B-6009 + B-18652 + B-18663 + EC-OAP + HL7610 + HL8535 + flight CES561
Ground connections ...
A NOTAM decoder can be found e.g. here
AGM = Miscellaneous Air/Ground Message
MOC = Meteorological Operations Center
PDC = Pre-Departure Clearance
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FCO ADS = Facilities Contact ADS-C
FCO ATC = Facilities Contact CPDLC
FMH = Facilities Message Header = Flight Number
FPO = Facilities Current Position
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

17967.0 kHz H15 HFDL Muhurroq Air, Bahrain, + aircraft OH-LWI + flight DP0200
MIAM = Media Independent Aircraft Message
PDU = Pilot Display Unit
• Engine Cruise Report VTBS - EFHK ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION

17967.0 kHz H15 HFDL Muhurroq Air, Bahrain, + aircraft A6-EUG + F-HSKA + HZ-NS5 + HZ-NS83 + JA211P + RA73151 + flight QTR36Y
So the Russians use Airbus' XML failure report system but they don't have MIAM ...
AGM = Miscellaneous Air/Ground Message
CFB = Centralized Fault Book
CMS = Cabin Management System
FAP = Flight Attendant Panel
MSN = Manufacturer's Serial Number
OCC = Operations Control Center
RTR = Ready To Receive
VTS = Vacuum Toilet Service

518.0 kHz Antalya Radio, Turkey
Warnings still in force - received 051650Z NOV 2024
N/W = Nautical Warning

518.0 kHz Famagusta (?) Radio, Cyprus
This strange new broadcast seems to originate from the Turkish-occupied territory of Cyprus ...
Anyway, time slot E is assigned to Samsun Radio in Turkey

518.0 VBA Canadian Coast Guard Pass Lake, ONT, Canada

16984.0 kHz PWZ Brazilian Navy Rio de Janeiro, Brazil
A specially formatted sample Klingenfuss frequency database
is perfectly integrated in the go2MONITOR GUI

518.0 kHz Vakalpudi Radio, India
INW = Indian Navigational Warning

518.0 kHz NMR United States Coast Guard San Juan, Puerto Rico
BNM = Broadcast Notice to Mariners
AMZ = FL 2

13315.0 kHz H13 HFDL Santa Cruz Air, Bolivia, + aircraft PR-TYM + PR-TYN + RPC8393 + flight UAL164
Code figures for SBBR runways braking action - see e.g. here
AA = Arrival Airport
ADIRU = Air Data Inertial Reference Unit
CFB = Centralized Fault Book
DA = Departure Airport
DFB = Digital Flight Book
FCNT = (DAR) Frame Counter
FLR = Failure
FPN = Flight Plan Report downlink
FR = Fault Report, followed by the Date-Time Group
FSM = Flight System Message
ISFC = Indicated Specific Fuel Consumption
RSCD = Runway Surface Condition
RWYCC = Runway Condition Code
TI2 = Terminal Information Request
TS = Time Stamp
WN = Warning Number, followed by the Date-Time Group
WXR = Weather Radar

13315.0 kHz H13 HFDL Santa Cruz Air, Bolivia, + aircraft N571DZ + PR-TYM + RPC8786 + flight LAN701
GELO NA CHEGADA!!!
FDC = Fuel Data Concentrator
MTC = Maintenance Technical Center

13303.0 kHz H17 HFDL Telde Air, Canary Islands, + aircraft N522DZ + flight DAH406
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
BURN + ALTN + 10 PCT + RESV = MIN + CONT/DLA = EST
CI = Consistency Index
FMS = Flight Management System
PFL = Planned Flight Level
PFR = Planned Fuel Remaining
PLND = Planned Time

8503.9 kHz NMG United States Coast Guard New Orleans LA, United States of America
NCEP = National Centers for Environmental Prediction

8503.9 kHz NMG United States Coast Guard New Orleans LA, United States of America

17985.0 kHz H03 HFDL Reykjavik Air, Iceland, + aircraft B-1167 + B-2485 + CN-RGF + N616UP + N888FD + RA73129 + flight SU1769
POSREP = POS, WP, ATO, FL, next+1 WP, ETO, next+2 WP,
ETO, temperature, wind, FOB or SOG, time stamp, date, HEX serial
GOCC = Global Operations Control Center
LLD = Large Lateral Deviation = 10 NM or more without ATC approval
TI2 = Terminal Information Request
• The TP4 (= Transport Protocol Class 4) message
notifies the pilot of an ATSU identifier
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

17985.0 kHz H03 HFDL Reykjavik Air, Iceland, + aircraft A6-EVL + B-2079 + B-2485 + CN-RGC + N888FD + flight OG062H
AGM = Miscellaneous Air/Ground Message
CDB = Commandant Du Bord
CCO = Operations Control Centre
TI2 = Terminal Information Request
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FCA = Facilities Contact Advisory
FMH = Facilities Message Header = Flight Number
• DELAY is a critical procedure, designed to prevent pilots
from acting on any old CPDLC messages
that might have been delayed in the network
The most serious of such cases would be
the pilot executing a clearance that was no longer valid
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

518.0 kHz 9VG Singapore Radio, Singapore
Ships piloting and routing ...
DFT = Draft
DWT = Dead Weight Tonnage
OFB = One Fathom Bank = Sandbank Shoal at N0305 E10040
1.8288 metres = 1 fathom = 2 yards = 6 feet = 18 hands = 72 inches ...
= 30 ears = 60 noses = 180 teeth (sorry, just joking ;-))
SPOCC = Singapore Port Operations Control Centre
TSS = Traffic Separation Scheme

7795.0 kHz JMH2 Tokyo Meteo, Japan

11348.0 kHz H17 HFDL Telde Air, Canary Islands, + aircraft B-1297 + G-POWK + RA73709 + RA73712 + 9H-LMJ + flight VIR46K
RS message seems to be some approach data downlink
(heading towards URMM)
or some non-standard ULD cargo configuration ...
Code figures for EDDK runways braking action - see e.g. here
RWYCC = Runway Condition Code
TI2 = Terminal Information Request

13033.0 kHz FUF French Navy Fort de France, Martinique
Adjacent is a CIS-12 PSK signal on 13036.8 kHz ...
A specially formatted sample Klingenfuss frequency database
is perfectly integrated in the go2MONITOR GUI

4209.5 kHz XVG Hai Phong Radio, Viet Nam

7396.9 kHz HSW64 Bangkok Meteo, Thailand

7396.9 kHz HSW64 Bangkok Meteo, Thailand

11354.0 kHz H09 HFDL Barrow Air, Alaska, + aircraft C-GHPU + flight ACA234
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
• The Waypoint Change Event is triggered by a change
made to the Next, or the Next-plus-one waypoint
This change normally occurs due to normal waypoint sequencing by the FMS
The Next or Next-plus-one waypoint can be either an ATS waypoint or a pilot inserted waypoint
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

8894.0 kHz H11 HFDL Panama City Air, Panama, + flight UAL63 + UAL882

518.0 kHz VAE Canadian Coast Guard Tofino BC, Canada
Amphitrite Point Lighthouse is 40 kilometres south of Tofino ...

13312.0 kHz H16 HFDL Barrigada Air, Guam, + aircraft B-308E + B-5970 + JA212P + JA901P + RA73831 + 9V-SJB + flight ABB870
AGM = Miscellaneous Air/Ground Message
CFB = Centralized Fault Book
CIDS = Cabin Intercommunication Data System
DFD = Digital Flight Data
EFF = Electronic Flight Folder
FWS = Flight Warning System
LGTM = Light Minus Turbulence = relatively weaker intensity
OCC = Operations Control Center
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• The Periodic Contract is a report sent every ... minutes
It specifies the reporting rate at which the avionics is required
to assemble and downlink the requested information to the ground system
The minimum reporting rate is usually not greater than every 14 minutes
but can vary to suit the need of the ground station
This procedure allows longitudinal and lateral separation of aircraft
in oceanic areas to be reduced to 30 nautical miles
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

518.0 kHz NOJ United States Coast Guard Kodiak, Alaska
LB = Lighted Buoy
LLNR = Light List Number
LT = Light

3797.0 kHz RCV Commonwealth of Independent States Navy Sevastopol', Ukraine

490.0 kHz CBV Valparaiso Radio, Chile

11348.0 kHz H17 HFDL Telde Air, Canary Islands, + flight SIA21 + SU1326

21982.0 kHz H15 HFDL Muhurroq Air, Bahrain, + aircraft A6-ATA + A6-EUG + EP-MME + HZ-NS43 + SU-GDD + SU-SKE + VT-ANV + 7O-AFE + flight ETH15
BMC = Bleed Monitoring Computer
C/B = Circuit Board
CFB = Centralized Fault Book
EFCS = Electronic Flight Control System
PSH = Pushback Time
REQPWI = Predicted Wind Request for FL 400 380 360 340
WN = Warning Number, followed by the Date-Time Group
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus data for navigational accuracy
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

518.0 kHz SUZ Serapeum Radio, Egypt
BA = British Admiralty
HDD = Horizontal Directional Drilling

518.0 kHz 3VL Kelibia Radio, Tunisia

518.0 kHz PBK Netherlands Coast Guard Ijmuiden, Netherlands
EEZ = Exclusive Economic Zone

518.0 kHz UDN Novorossiysk Radio, Russian Federation

13312.0 kHz H15 HFDL Muhurroq Air, Bahrain, + flight CAL074 + QTR5H

16826.3 kHz XSQ Guangzhou Radio, China
CMA = China Meteorological Administration
MSA = Maritime Safety Administration

16826.3 kHz XSQ Guangzhou Radio, China
CMA = China Meteorological Administration
MSA = Maritime Safety Administration

13312.0 kHz H16 HFDL Barrigada Air, Guam, + aircraft B-20CJ + B-20D7 + B-1567 + B-18916 + flight CES241
Flight parameters and enroute weather ZSPD - YBBN ...
DFB = Digital Flight Book
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

13351.0 kHz H05 HFDL Auckland Air, New Zealand, + aircraft A6-EIA + B-MCE + HZ-NS76 + JA13KZ + JA822P + JA893A + JA927A + flight ID6013
Increasing solar activity - and the ionosphere going totally crazy:
ETD downlink from a OERK - OMAA regional hop across the Rub Al-Khali ... via Auckland!
Increasing solar activity - and the ionosphere going totally crazy:
OPNORM downlink from a OEJN - OTHH regional hop across the Persian Gulf ... via Auckland!
AGM = Miscellaneous Air/Ground Message
CFD = Centralized Fault Data
LGTP = Light Plus Turbulence = relatively greater intensity
OCC = Operations Control Center
NRT = Narita
PBB = Passenger Boarding Bridge
PMS = Pavement Management System
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

7646.0 kHz DDH7 Hamburg Meteo, Germany
DWD = Deutscher Wetterdienst

17985.0 kHz H03 HFDL Reykjavik Air, Iceland, + aircraft EI-KBL + EI-KGJ + G-DHLE + LY-MLG + N629UP + OE-LZE + flight MSR987
Code figures for EGKK runways braking action - see e.g. here
MDPWI = Meteorological Data - Predicted Wind for FL 390 340 320 300
TI2 = Terminal Information Request
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus data for navigational accuracy
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

17985.0 kHz H03 HFDL Reykjavik Air, Iceland, + aircraft A7-ANE + N629UP + flight RJA265
Perfect CPDLC...
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response
FCA = Facilities Contact Advisory
FMH = Facilities Message Header = Flight Number
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• The TP4 (= Transport Protocol Class 4) message
notifies the pilot of an ATSU identifier
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

10027.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + aircraft JA12VA + N575UP + N610UP + N632UP + RPC8397 + flight VIV111
ZFW + TOF = TOW - TIF = LAW + UNDLD = MAX
AGM = Miscellaneous Air/Ground Message
CFD = Centralized Fault Data
DOI = Dry Operating Index
ECS = Environmental Control System
REQPER = Request Performance Report

518.0 kHz XVS Ho Chi Minh City Radio, Viet Nam

518.0 kHz Keating Point Radio, Andaman Islands, India
INW = Indian Navigational Warning

518.0 kHz Don Sak Radio, Thailand
005671000 is the station's MMSI (Maritime Mobile Service Identity) code
See 5 AUG 2021 NAVTEX Panel Report

518.0 kHz VRX Hong Kong Radio, China
TC = Tropical Cyclone
Nice to see VRX uses intentionally
the internationally recognized British names
for those island groups in the South China Sea
and not those absurd fantasy names
applied by aggressive Communist China
that is going to grab every shoal all the way down
to the shores of Melayu dan Singapura -
more than 1,800 kilometres away from Hainan!
Alamak!! Tak boleh tahan lah!!!

518.0 kHz EAR La Coruna Radio, Spain
SAREX = Search and Rescue Exercise

518.0 kHz LFO Oerlandet Radio, Norway

518.0 kHz LGQ Rogaland Radio, Norway

10027.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + aircraft B-32AG + B-321K + B-323L + JA17KZ + N578UP + VT-IAN + 9V-SJF + flight APZ101
PASY is an ETOPS emergency alternate airport in the Alaskan Aleutian Islands
for trans-Pacific flights ... RWY 10/28 is 3049 metres long
AGM = Miscellaneous Air/Ground Message
CFD = Centralized Fault Data
ECS = Environmental Control System
OCC = Operations Control Center
TI2 = Terminal Information Request
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

8977.0 kHz H03 HFDL Reykjavik Air, Iceland, + aircraft A6-EVG + EC-MAJ + G-POWK + G-VSRB + G-VTOM + N13014 + flight ABB994
AA = Arrival Airport
BSCU = Brake System Control Unit
CFB = Centralized Fault Book
DA = Departure Airport
FLR = Failure
FPN = Flight Plan Report downlink
FR = Fault Report, followed by the Date-Time Group
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response
FCA = Facilities Contact Advisory
FMH = Facilities Message Header = Flight Number
FRP = Facilities Response
• The TP4 (= Transport Protocol Class 4) message
notifies the pilot of an ATSU identifier
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

518.0 kHz NMO United States Coast Guard Honolulu, Hawaii

8977.0 kHz H03 HFDL Reykjavik Air, Iceland, + flight AVA218 + ITY6KC

518.0 kHz L2G Argentinian Coast Guard Buenos Aires, Argentina

518.0 kHz L2N Argentinian Coast Guard Bahia Blanca, Argentina

21955.0 kHz H17 HFDL Telde Air, Canary Islands, + aircraft D-AUSC + XA-LRL + 5Y-KYD + flight LW28HL
AMDAR = Aircraft Meteorological Data Relay DGAA - EGKK
D-AUSC is a former SAA aircraft so that's probably the cause
why the (unchanged) avionics continues to transmit routine AMDARs ...
DFB = Digital Flight Book
TI2 = Terminal Information Request
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response
FMH = Facilities Message Header = Flight Number
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

21982.0 kHz H15 HFDL Muhurroq Air, Bahrain, + aircraft UK33021 + flight QTR36Y
CG = Center of Gravity
DFB = Digital Flight Book
FQLI = Fuel Quantity Inner Left Tank
FQLO = Fuel Quantity Outer Left Tank
FQRI = Fuel Quantity Inner Right Tank
FQRO = Fuel Quantity Outer Right Tank
FQTT = Fuel Quantity Total
OIP = Oil Pressure
OIQ = Oil Quantity
OIT = Oil Temperature

518.0 kHz PBB Dutch Navy Den Helder, Netherlands

12789.9 kHz NMG United States Coast Guard New Orleans LA, United States of America
NHC = National Hurricane Center

3585.0 kHz HLL8 Soul Meteo, South Korea

518.0 kHz VOK Canadian Coast Guard Cartwright NFLD, Canada

518.0 kHz Igdlutaligssuaq Radio, Kook Island, Greenland
DMI = Danish Meteorological Institute

518.0 kHz VFF Canadian Coast Guard Iqaluit NUN, Canada

13351.0 kHz H05 HFDL Auckland Air, New Zealand, + flight D00001 + SIA34

16907.5 kHz JFA Funabashi Fisheries Radio, Japan
NOAA satellite settings for JRC / FURUNO fish finder equipment ...
The date reads 6 10 15 = 2024 October 15
since the Japanese calendar year in the Reiwa Era is used here
Formula: Reiwa year + 2018 = Gregorian year

518.0 kHz LZW Varna Radio, Bulgaria
TSS = Traffic Separation Scheme

21997.0 kHz H13 HFDL Santa Cruz Air, Bolivia, + aircraft PR-YYJ + flight LAN621
Perfect OOOI ...
ADIRU = Air Data Inertial Reference Unit
CFB = Centralized Fault Book
DA = Departure Airport
DM = Time Stamp
DRINFO = Door Closure Time
DS = Destination Airport
FR = Fault Report, followed by the Date-Time Group
IR = Inertial Reference
WXR = Weather Radar

5195.0 kHz DRA5 Kiel, Germany

21997.0 kHz H13 HFDL Santa Cruz Air, Bolivia, + flight LAN621 + LXP950

16971.0 kHz JJC Kyodo Tsushin Tokyo, Japan
JSC = Japan Ship Centre

13270.0 kHz H06 HFDL Hat Yai Air, Thailand, + flight EY0424 + QTR3J

518.0 kHz SVH Iraklion Radio, Greece

12666.3 kHz FUM French Navy Papeete, Tahiti, Polynesia (French)

518.0 kHz 9MG Georgetown Radio, Pinang Island, Malaysia
OFB = One Fathom Bank = Sandbank Shoal at N0305 E10040

4209.5 kHz XVG Hai Phong Radio, Viet Nam
Warnings still in force - received 111400Z OCT 2024

12750.0 kHz NMF United States Coast Guard Boston MA, United States of America
NCEP = National Centers for Environmental Prediction
NHC = National Hurricane Center

Tropical Storm Milton ...

16826.3 kHz XSQ Guangzhou Radio, China
CMA = China Meteorological Administration
MSA = Maritime Safety Administration

8927.0 kHz H16 HFDL Barrigada Air, Guam, + aircraft B-LXE + HL8282 + HL7617 + HL8286 + PR-TYS + RA73720 + flight CSZ945 + OZ0714
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
POSREP = POS, WP, ATO, FL, next+1 WP, ETO, next+2 WP,
ETO, temperature, wind, FOB or SOG, time stamp, date, HEX serial
AFS = Auto Flight System
CFB = Centralized Fault Book
CFD = Centralized Fault Data
CFDS = Centralized Fault Display System
ECAM = Electronic Centralized Aircraft Monitoring
EIS = Electronic Instrument System
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
GPWC = Ground Proximity Warning Computer
ISIS = Integrated Standby Instrument System
MMR = Multi-Mode Receiver
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response
FMH = Facilities Message Header = Flight Number
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

518.0 kHz JGC Yokohama Radio, Japan

3585.0 kHz HLL8 Soul Meteo, South Korea

10063.0 kHz H11 HFDL Panama City Air, Panama, + aircraft CC-CXG + JA875A + N724NK + N725NK + flight AFR377
AGM = Miscellaneous Air/Ground Message
TI2 = Terminal Information Request
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

8942.0 kHz H07 HFDL Shannon Air, Ireland, + aircraft CN-ROK + CN-ROT + UK78706 + flight AT0430
AGM = Miscellaneous Air/Ground Message
CCO = Operations Control Centre
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response
FCO ADS = Facilities Contact ADS-C
FCO ATC = Facilities Contact CPDLC
FMH = Facilities Message Header = Flight Number
FPO = Facilities Current Position
• The Waypoint Change Event is triggered by a change
made to the Next, or the Next-plus-one waypoint
This change normally occurs due to normal waypoint sequencing by the FMS
The Next or Next-plus-one waypoint can be either an ATS waypoint or a pilot inserted waypoint
• The Periodic Contract is a report sent every ... minutes
It specifies the reporting rate at which the avionics is required
to assemble and downlink the requested information to the ground system
The minimum reporting rate is usually not greater than every 14 minutes
but can vary to suit the need of the ground station
This procedure allows longitudinal and lateral separation of aircraft
in oceanic areas to be reduced to 30 nautical miles
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

518.0 kHz ZSD Durban Radio, South Africa (Republic of)
ZSJ has been ZAN for many years now ...

17928.0 kHz H17 HFDL Telde Air, Canary Islands, + aircraft N628UP + RA73160 + TF-PPE + 5Y-CYD + flight ME0225 + SU1870
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
REQPWI = Predicted Wind Request for FL 370 350 330 300

8416.5 kHz NMO United States Coast Guard Honolulu, Hawaii
ITCZ = Inter-Tropical Convergence Zone

8416.5 kHz L2C Argentinian Coast Guard Buenos Aires, Argentina

12789.9 kHz NMG United States Coast Guard New Orleans LA, United States of America

12789.9 kHz NMG United States Coast Guard New Orleans LA, United States of America
NHC = National Hurricane Center

21997.0 kHz H13 HFDL Santa Cruz Air, Bolivia, + aircraft CC-CWF + EI-HJP + F-HUVM + PR-TYO + PR-TYQ + PR-YYJ + flight AZU416
Code figures for SBGL runways braking action - see e.g. here
RSCD = Runway Surface Condition
RWYCC = Runway Condition Code
TI2 = Terminal Information Request
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus data for navigational accuracy
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

21997.0 kHz H13 HFDL Santa Cruz Air, Bolivia, + aircraft CC-CWF + EC-OAQ + N966AM + PR-YYJ + flight VIV733
CFB = Centralized Fault Book
DB = Dash Board
EOR = End of Report
FDE = Fault Detection and Exclusion
FRC = Fault Reporting Code
• Engine Cruise Report LEMD - SVMI ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Aircraft in-flight performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

518.0 kHz XVT Da Nang Radio, Viet Nam
Warnings still in force - received 281740Z SEP 2024

518.0 kHz XSL Fuzhou Radio, China

10063.0 kHz H11 HFDL Panama City Air, Panama, + aircraft N617UP + N944AV + flight AEA088
CFB = Centralized Fault Book
CMC = Central Maintenance Computer
DT = Destination, followed by the runway number
ECS = Environmental Control System
FN = Flight Number
TS = Time Stamp
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FCP = Facilities Contact Response
FMH = Facilities Message Header = Flight Number
• PRG = Flight Progress Report sent shortly
(i.e. 1 hour - 10 minutes) before arrival,
typically including destination airport followed by
estimated runway for landing, estimated FOB, ETA, and FN
• The Altitude Range Change Event is triggered
when the aircraft's altitude exceeds the altitude ceiling
or floor defined in the contract by the ground system
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

5100.0 kHz VMC Charleville Meteo QLD, Australia
MSLP = Mean Sea Level Pressure

5100.0 kHz VMC Charleville Meteo QLD, Australia

4210.5 (not 4209.5!) kHz XSQ Guangzhou Radio, China
Characters in brackets denote the Latin alphabet
The four-figure groups without brackets
are Chinese ideographs
Presumably local time used here since received at 1320 UTC ...

8677.0 kHz CBV Valparaiso Radio, Chile

8677.0 kHz CBV Valparaiso Radio, Chile
GFS = Global Forecast System

518.0 kHz HSA Bangkok Radio, Thailand
005671000 is the station's MMSI (Maritime Mobile Service Identity) code

8942.0 kHz H07 HFDL Shannon Air, Ireland, + aircraft LY-NOW + RA73097 + flight KNE074
AGM = Miscellaneous Air/Ground Message
CTOT = Calculated Take-Off Time (used for slot allocation)
FOC = Flight Operations Control
PTID = Point Identification
RSCD = Runway Surface Condition
TI2 = Terminal Information Request
TTO = Target Time Over

8942.0 kHz H07 HFDL Shannon Air, Ireland, + aircraft F-HUVB + OE-LZE + OY-KAS + RA73109 + RA73304 + TC-FHC + 9V-SGB + flight AEA104
AGM = Miscellaneous Air/Ground Message
CDP = Computer Diagnostics Program
CFD = Centralized Fault Data
CTOT = Calculated Take-Off Time (used for slot allocation)
EDP = Engine Display Panel
FWS = Flight Warning System
HPP = High Pressure Pump
RCD = Request for Departure Clearance
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FCA = Facilities Contact Advisory
FMH = Facilities Message Header = Flight Number
• Engine Cruise Report EGPH - ESSA ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Aircraft in-flight performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...
Note that in this screenshot, however, the text is not table-formatted;
anyway, standard row identifiers such as CC C0 C1 CE ... can be easily identified after the slash ...
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

14629.2 kHz CTA Portuguese Navy Lisbon, Portugal

5100.0 kHz VMC Charleville Meteo QLD, Australia
SWF = Short-Wave Fadeout

486.0 kHz XSG Shanghai Radio, China
Chinese teleprinter code after Latin alphabet header
Presumably local time used here since received at 1440 UTC ...
According to this NAVAREA 11 document, XSG uses indeed
transmitter identification character Q on both 518 and 486 kHz

8936.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + flight ACA22 + FDX3

518.0 kHz Cape Columbine Radio, South Africa (Republic of)
SAN = South African Navy

11306.0 kHz H16 HFDL Barrigada Air, Guam, + aircraft B-LRK + B-18901 + HL8362 + 9V-SJA enroute KSFO - WSSS + flight ETD871
go2MONITOR's superb Result Viewer allows easy selection of MIAM
out of hundreds of decoded messages by means of advanced filter settings ...
go2MONITOR perfectly re-assembles and decodes MIAM CORE data ...
These are often messages in Airbus' XML format
PASY is an ETOPS emergency alternate airport in the Alaskan Aleutian Islands
for trans-Pacific flights ... RWY 10/28 is 3049 metres long
AGM = Miscellaneous Air/Ground Message
DT = Destination, followed by the runway number
FN = Flight Number
MIAM = Media Independent Aircraft Message
NRT = Narita
PDU = Pilot Display Unit
TS = Time Stamp
• PRG = Flight Progress Report sent shortly
(i.e. 1 hour - 10 minutes) before arrival,
typically including destination airport followed by
estimated runway for landing, estimated FOB, ETA, and FN
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

13074.0 kHz JFC Misaki Fisheries Radio, Japan
JAFIC = Japan Fisheries Information Service Center
The date reads 6 8 20 = 2024 August 20
since the Japanese calendar year in the Reiwa Era is used here
Formula: Reiwa year + 2018 = Gregorian year

9982.5 kHz KVM70 Honolulu Meteo, Hawaii

518.0 kHz EJM Irish Coast Guard Malin Head, Ireland

19640.8 kHz Digital data station

21982.0 kHz H15 HFDL Muhurroq Air, Bahrain, + aircraft B-32F8 + B-2413 + HZ-NS45 + SU-GDY + VT-ANJ + flight CSZ921
CFB = Centralized Fault Book
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
PSH = Pushback Time
RMP = Radio Management Panel
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus data for navigational accuracy
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

16826.3 kHz XSQ Guangzhou Radio, China
CMA = China Meteorological Administration
MSA = Maritime Safety Administration

8942.0 kHz H07 HFDL Shannon Air, Ireland, + aircraft B-223P + B-305S + B-8386 + C-FIUL + C-GHPU + G-VLDY + flight ETD283 + SIA388
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
EC-ODQ is a daily shuttle service LEBL - KJFK - LEBL
by Wamos Air on wet lease for Iberia ...
AA = Arrival Airport
CFB = Centralized Fault Book
DA = Departure Airport
FLR = Failure
FPN = Flight Plan Report downlink
FR = Fault Report, followed by the Date-Time Group
IR = Inertial Reference
MMR = Multi-Mode Receiver
PB = Parking Bay
REQPWI = Predicted Wind Request for FL 410 390 360
• DELAY is a critical procedure, designed to prevent pilots
from acting on any old CPDLC messages
that might have been delayed in the network
The most serious of such cases would be
the pilot executing a clearance that was no longer valid
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

8942.0 kHz H07 HFDL Shannon Air, Ireland, + aircraft CN-ROB + CN-ROH + EI-KBV + ES-SAB + LY-CIN + N843FD + N867FD + RA73168 + flight P6073D
DEST BURN + ALTN + RESERVE + HOLD = MIN RQD + RPF + OTHER = TKOF + TAXI = TTL FOB
AGM = Miscellaneous Air/Ground Message
CCO = Operations Control Centre
CDB = Commandant Du Bord
CTOT = Calculated Take-Off Time (used for slot allocation)
GOCC = Global Operations Control Center
MFWF = Minimum Flight Weight Fuel
PTID = Point Identification
RPF = Reliability Protection Fuel
RSCD = Runway Surface Condition
TI2 = Terminal Information Request
TTO = Target Time Over
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

518.0 kHz Sellia Marina Radio, Italy

8416.5 kHz UAT Moscow Radio, Russian Federation

518.0 kHz Vengurla Point Radio, India
IMD = India Meteorological Department

13312.0 kHz H16 HFDL Barrigada Air, Guam, + aircraft B-30A7 + B-5902 + B-7869 + EC-NCK + HL8099 + flight APJ198
EC-NCK is a daily shuttle service RPLL - YSSY - RPLL
by Wamos Air on wet lease for Philippine Airlines ...
POSREP = POS, WP, ATO, FL, next+1 WP, ETO, next+2 WP,
ETO, temperature, wind, FOB or SOG, time stamp, date, HEX serial
AGM = Miscellaneous Air/Ground Message
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• Engine Cruise Report ZSNJ - YSSY ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Aircraft in-flight performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

518.0 kHz NMC United States Coast Guard San Francisco CA, United States of America

490.0 kHz UWT Taganrog Radio, Russian Federation
Warnings still in force - received 121820Z AUG 2024

17919.0 kHz H04 HFDL Riverhead Air NY, United States of America, + aircraft B-223F + F-HUVE + N568DZ + N616FE + flight AS0068
DFD = Digital Flight Data
• The TP4 (= Transport Protocol Class 4) message
notifies the pilot of an ATSU identifier
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

13074.0 kHz JFC Misaki Fisheries Radio, Japan
Typhoon warning ...
The date reads 6 8 9 = 2024 August 9
since the Japanese calendar year in the Reiwa Era is used here
Formula: Reiwa year + 2018 = Gregorian year

21997.0 kHz H13 HFDL Santa Cruz Air, Bolivia, + aircraft CC-CXF + EI-HJP + HP1714 + N453PA + N956AV + flight AVA266
CFD = Centralized Fault Data
ECS = Environmental Control System
FR = Fault Report
REQFPN = FPL report request uplink
REQPWI = Predicted Wind Request for FL 360 340 320 300
RESREQ/AK = FMS downlink acknowledgement of a REQFPN uplink
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response
FMH = Facilities Message Header = Flight Number
• The TP4 (= Transport Protocol Class 4) message
notifies the pilot of an ATSU identifier
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

518.0 kHz Muttam Point Radio, India
IMD = India Meteorological Department
INW = Indian Navigational Warning
NDC = National Defence College

8885.0 kHz H15 HFDL Muhurroq Air, Bahrain, + aircraft A6-EIP + HL7210 + N948AK + N33294 + UK33020 + 5Y-CYB + 5Y-KZG + flight CSN661
Ground connections ...
EEXT = ETOPS Exit Point
TI2 = Terminal Information Request
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

518.0 kHz NMF United States Coast Guard Boston MA, United States of America
BNM = Broadcast Notice to Mariners

518.0 kHz VAJ Canadian Coast Guard Prince Rupert BC, Canada
Digby is a small island off Prince Rupert
Haida Gwaii = ex Queen Charlotte Islands

4209.5 kHz SVH Iraklion Radio, Greece

518.0 kHz 5BA Nicosia Radio, Cyprus
JRCC = Joint Rescue Coordination Centre

11086.5 kHz GYA Royal Navy London, United Kingdom
JOMOC = Joint Operations Meteorological and Oceanography Centre

16977.0 kHz JFM Muroto Fisheries Radio, Japan
Japanese Morse code ...

8425.5 kHz XSG Shanghai Radio, China
Presumably local time used at the end since received at 0850 UTC ...

8416.5 kHz L2C Argentinian Coast Guard Buenos Aires, Argentina
RDP = Rio de la Plata

518.0 kHz JNX Kushiro Radio, Japan

13074.0 kHz JFC Misaki Fisheries Radio, Japan
Tropical Storm Gaemi ...
The date reads 6 7 23 = 2024 July 23
since the Japanese calendar year in the Reiwa Era is used here
Formula: Reiwa year + 2018 = Gregorian year

9165.0 kHz HLL Soul Meteo, South Korea

518.0 kHz Chukpy Radio, South Korea
Warnings still in force - received 221530Z JUL 2024
JCS = Joint Chiefs of Staff

8416.5 kHz LGS Svalbard Radio, Spitsbergen, Norway
002570000 is the station's MMSI (Maritime Mobile Service Identity) code

13342.0 kHz H10 HFDL Muan Air, South Korea, + aircraft A7-ALD + B-5930 + B-8502 + JA16KZ + JA923A + N112FE + XA-VSG + flight CES236
DFD = Digital Flight Data
• The TP4 (= Transport Protocol Class 4) message
notifies the pilot of an ATSU identifier
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

13312.0 kHz H16 HFDL Barrigada Air, Guam, + flight CES566

21955.0 kHz H17 HFDL Telde Air, Canary Islands, + aircraft B-LRV + JA933A + PR-YYJ + TC-LOM + VT-ANS + ZS-SXM + flight DP6905
AMDAR = Aircraft Meteorological Data Relay FAOR - DNMM
A NOTAM decoder can be found e.g. here
AGM = Miscellaneous Air/Ground Message
CFB = Centralized Fault Book
DA = Departure Airport
DB = Dash Board
DM = Time Stamp
DS = Destination Airport
FDE = Fault Detection and Exclusion
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
FRC = Fault Reporting Code
OMC = Operations Management Center
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FCO ADS = Facilities Contact ADS-C
FCO ATC = Facilities Contact CPDLC
FMH = Facilities Message Header = Flight Number
FPO = Facilities Current Position
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

4209.5 kHz XVG Hai Phong Radio, Viet Nam

4209.5 kHz XSG Shanghai Radio, China
MSA = Maritime Safety Administration

17958.0 kHz H10 HFDL Muan Air, South Korea, + aircraft B-20CJ + B-32AG + B-304N + B-307Y + B-5929 + JA814A + JA819P + N507DN + flight CSC392
AGM = Miscellaneous Air/Ground Message
DFD = Digital Flight Data
FMC = Flight Management Computer
FMS = Flight Management System
FWS = Flight Warning System
LGTP = Light Plus Turbulence = relatively greater intensity
TI2 = Terminal Information Request
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

10060.0 kHz H10 HFDL Muan Air, South Korea, + aircraft B-LXJ + B-2089 + EI-KGI + HL7629 + JA828P + 9V-SCI + flight CES630
AGM = Miscellaneous Air/Ground Message
LGTP = Light Plus Turbulence = relatively greater intensity
TI2 = Terminal Information Request
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• The Periodic Contract is a report sent every ... minutes
It specifies the reporting rate at which the avionics is required
to assemble and downlink the requested information to the ground system
The minimum reporting rate is usually not greater than every 14 minutes
but can vary to suit the need of the ground station
This procedure allows longitudinal and lateral separation of aircraft
in oceanic areas to be reduced to 30 nautical miles
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

518.0 kHz NMG United States Coast Guard New Orleans LA, United States of America
BNM = Broadcast Notice to Mariners

17958.0 kHz H10 HFDL Muan Air, South Korea, + aircraft B-30CJ + B-32FK + B-2419 + B-7800 + N504DN + 9V-SHN + 9V-SHO + flight UPS109
Code figures for ZSWZ runways braking action - see e.g. here
AGM = Miscellaneous Air/Ground Message
RWYCC = Runway Condition Code
TI2 = Terminal Information Request
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

518.0 kHz ZBM Hamilton Harbour Radio, Bermuda

13312.0 kHz H16 HFDL Barrigada Air, Guam, + aircraft F-HRBG + F-HTYD + HL8259 + N504DN + N15969 + 9V-SCV + flight DAL41
PACD is an ETOPS emergency alternate airport
for trans-Pacific flights with RWY 15/33 = 3103 metres ...
PMDY is an ETOPS emergency alternate airport
for trans-Pacific flights with RWY 6/24 = 2377 metres ...
POSREP = POS, WP, ATO, FL, next+1 WP, ETO, next+2 WP,
ETO, temperature, wind, FOB or SOG, time stamp, date, HEX serial
DSP = Flight Operations Control
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

17958.0 kHz H10 HFDL Muan Air, South Korea, + aircraft A6-EDK + B-6941 + N612UP + 9V-SJB + flight CES508
AGM = Miscellaneous Air/Ground Message
WSI = Weather Services International
• The TP4 (= Transport Protocol Class 4) message
notifies the pilot of an ATSU identifier
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

16953.3 kHz 6WW French Navy Dakar, Senegal
A specially formatted sample Klingenfuss frequency database
is perfectly integrated in the go2MONITOR GUI

12786.0 kHz NMC United States Coast Guard San Francisco CA, United States of America

12786.0 kHz NMC United States Coast Guard San Francisco CA, United States of America

4209.5 (!) kHz NRV United States Coast Guard Apra Harbour, Guam
BNM = Broadcast Notice to Mariners
FDM = Farallon de Medinilla
GU = Guam
LLNR = Light List Number

9982.5 kHz KVM70 Honolulu Meteo, Hawaii

9982.5 kHz KVM70 Honolulu Meteo, Hawaii

13342.0 kHz H10 HFDL Muan Air, South Korea, + aircraft B-329P + B-6009 + B-7838 + B-8429 + B-8658 + JA215P + JA805A + JA823P + 9V-SKT + flight SIA36
AGM = Miscellaneous Air/Ground Message
CFB = Centralized Fault Book
LGTM = Light Minus Turbulence = relatively weaker intensity
OCC = Operations Control Centre
PD = Profile Descent
WN = Warning Number, followed by the Date-Time Group
• DELAY is a critical procedure, designed to prevent pilots
from acting on any old CPDLC messages
that might have been delayed in the network
The most serious of such cases would be
the pilot executing a clearance that was no longer valid
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

8658.0 kHz JFX Kagoshima Fisheries Radio, Japan
The date reads 6 6 10 = 2024 June 10
since the Japanese calendar year in the Reiwa Era is used here
Formula: Reiwa year + 2018 = Gregorian year

518.0 kHz XSX Chi-Lung Radio, Taiwan (Democratic Republic of China)
VTS = Vessel Traffic Service

518.0 kHz GCC Cullercoats Radio, United Kingdom

12579.0 kHz L2C Argentinian Coast Guard Buenos Aires, Argentina

8416.5 kHz L2C Argentinian Coast Guard Buenos Aires, Argentina

518.0 kHz IQM Mondolfo Radio, Italy
VTS = Vessel Traffic Service

13303.0 kHz H17 HFDL Telde Air, Canary Islands, + aircraft N571DZ + SU-GCI + 9V-SMY + flight VS198S
CFB = Centralized Fault Book
WN = Warning Number, followed by the Date-Time Group
• DELAY is a critical procedure, designed to prevent pilots
from acting on any old CPDLC messages
that might have been delayed in the network
The most serious of such cases would be
the pilot executing a clearance that was no longer valid
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

7646.0 kHz DDH7 Hamburg Meteo, Germany

4209.5 kHz XVN Nha Trang Radio, Viet Nam

518.0 kHz 9WW21 Miri Radio, Sarawak, Malaysia

518.0 kHz SVK Kerkyra Radio, Greece

518.0 kHz VBR Canadian Coast Guard Ferndale ONT, Canada

518.0 kHz Parangipettai Radio, India
IMD = India Meteorological Department
INW = Indian Navigational Warning
MMB = Maharashtra Maritime Board

9165.0 kHz HLL Soul Meteo, South Korea

15025.0 kHz H03 HFDL Reykjavik Air, Iceland, + aircraft B-1567 + B-6131 + B-7898 + EI-KBA + EI-KGC + JY-BAG + N570DZ + RA73151 + RA73228 + SU-GFY + flight AAR542
AGM = Miscellaneous Air/Ground Message
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

518.0 kHz TAH Istanbul Radio, Turkey
JCC = Joint Coordination Centre
UAV = Unmanned Aerial Vehicle

12315.0 kHz IDN Italian Navy Napoli, Italy

8085.8 kHz Digital data station

490.0 kHz HZH Jeddah Radio, Saudi Arabia
AUV = Autonomous Underwater Vehicle

9982.5 kHz KVM70 Honolulu Meteo, Hawaii

8939.0 kHz H10 HFDL Muan Air, South Korea, + aircraft RA73156 + flight CES521
RA73156 is the "re-registered" (read: seized) Aeroflot Airbus A350-941
leased from SB Leasing Ireland Limited
and originally registered as VP-BYF in Bermuda ...
Test registration F-WWBW has been delivered from LFBO to UUEE
on 24 FEB 2022 - the same day Russia invaded Ukraine
It has then been parked at UUEE until 30 MAY 2023 ...
Below is just a sample of a never-ending list
of failure messages in Airbus' XML format ...
AFDX = Avionics Full-Duplex Switched Ethernet
AESS = Aircraft Environment Surveillance System
AFS = Auto Flight System
CFB = Centralized Fault Book
CMS = Cabin Management System
DU = Display Unit
FAP = Flight Attendant Panel
FMC = Flight Management Computer
MFD = Multi-Function Display
MSN = Manufacturer's Serial Number
PWS = Predicted Wind Shear Alert System
RTR = Ready To Receive
UADF = User Application Definition File

8939.0 kHz H10 HFDL Muan Air, South Korea, + aircraft B-32D2 + B-1168 + B-1242 + B-1957 + N103FE + N29977 + flight FX5196
AGM = Miscellaneous Air/Ground Message
DFB = Digital Flight Book
DFD = Digital Flight Data
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• The Waypoint Change Event is triggered by a change
made to the Next, or the Next-plus-one waypoint
This change normally occurs due to normal waypoint sequencing by the FMS
The Next or Next-plus-one waypoint can be either an ATS waypoint or a pilot inserted waypoint
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

518.0 kHz Hamburg Meteo, Germany
ENBW = Energie Baden-Wuerttemberg
NCC = National Co-Ordination Centre

518.0 kHz LGT Tjoeme Radio, Norway
NM = Notice to Mariners

7880.0 kHz DDH3 Hamburg Meteo, Germany
ICON = Icosahedral Nonhydrostatic Model

10084.0 kHz H05 HFDL Auckland Air, New Zealand, + aircraft 9V-SJA enroute KLAX - WSSS
go2MONITOR's superb Result Viewer allows easy selection of MIAM
out of hundreds of decoded messages by means of advanced filter settings ...
go2MONITOR perfectly re-assembles and decodes MIAM CORE data ...
These are often messages in Airbus' XML format
CIDS = Cabin Intercommunication Data System
CMS = Cabin Management System
FAP = Flight Attendant Panel
MIAM = Media Independent Aircraft Message
MSN = Manufacturer's Serial Number
PDU = Pilot Display Unit
PSU = Passenger Service Unit
RTR = Ready To Receive

490.0 kHz IGS Piombino Radio, Italy

8416.5 kHz NMF United States Coast Guard Boston MA, United States of America
A specially formatted sample Klingenfuss frequency database
is perfectly integrated in the go2MONITOR GUI

518.0 kHz Veraval Radio, India
IMD = India Meteorological Department
INW = Indian Navigational Warning
MMB = Maharashtra Maritime Board

8806.3 kHz Digital data station

490.0 kHz ICH Italian Coast Guard La Maddalena Island, Italy

490.0 kHz OST Oostende Radio, Belgium

8317.8 kHz Digital data station

518.0 kHz EQM Bushire Radio, Iran

8416.5 kHz NMC United States Coast Guard San Francisco CA, United States of America

12412.5 kHz NOJ United States Coast Guard Kodiak, Alaska

12412.5 kHz NOJ United States Coast Guard Kodiak, Alaska
NCEP = National Centers for Environmental Prediction

8151.0 kHz IDR Italian Navy Rome, Italy

16559.0 kHz XSG Shanghai Radio, China
CMA = China Meteorological Administration

12789.9 kHz NMG United States Coast Guard New Orleans LA, United States of America
NHC = National Hurricane Center

8939.0 kHz H10 HFDL Muan Air, South Korea, + flight AMX058 + KZR963

518.0 kHz JNR Moji Radio, Japan
LL = Light List

518.0 kHz ESA Tallinn Radio, Estonia
PET = Saint Petersburg

2054.0 kHz NOJ United States Coast Guard Kodiak, Alaska

13276.0 kHz H01 HFDL San Francisco Air CA, United States of America, + flight SIA27

7646.0 kHz DDH7 Hamburg Meteo, Germany
TSS = Traffic Separation Scheme
VTG = Verkehrstrennungsgebiet

518.0 kHz Grimeton Radio, Sweden

8427.0 kHz KPH San Francisco Radio CA, United States of America

8427.0 kHz KPH San Francisco Radio CA, United States of America
MEBA = Marine Engineer's Beneficial Association
MMP = Masters, Mates and Pilots

8427.0 kHz KPH San Francisco Radio CA, United States of America
MITAGS = Maritime Institute of Technology and Graduate Studies
MMP = Masters, Mates and Pilots

4298.0 kHz NOJ United States Coast Guard Kodiak, Alaska

518.0 kHz VCO Canadian Coast Guard Port Caledonia NS, Canada

22462.8 kHz FUJ French Navy Noumea, New Caledonia

10063.0 kHz H11 HFDL Panama City Air, Panama, + aircraft N595FE + N954AV + N955AV + N987NK + TF-PPE + flight LAN572
ZFW + T1 + T2 + T3 + AUX + TAIL - TX = TOGW ...
AGM = Miscellaneous Air/Ground Message
DT = Destination, followed by the runway number
FN = Flight Number
TOCG = Take Off Centre of Gravity
ZFCG = Zero Fuel Centre of Gravity
• PRG = Flight Progress Report sent shortly
(i.e. 1 hour - 10 minutes) before arrival,
typically including destination airport followed by
estimated runway for landing, estimated FOB, ETA, and FN
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

5720.0 kHz H03 HFDL Reykjavik Air, Iceland, + aircraft B-7800 + CN-RGY + CN-ROA + N864FD + OH-LWR + TC-MCN + flight KAL946
AGM = Miscellaneous Air/Ground Message
CCO = Operations Control Centre
CFB = Centralized Fault Book
EOR = End of Report
FDE = Fault Detection and Exclusion
SCV = Surge Control Valve
• Engine Cruise Report KJFK - LTFM ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Aircraft in-flight performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

10063.0 kHz H11 HFDL Panama City Air, Panama, + aircraft LV-KHU + N702NK + N946AV + N956AV + 9H-SWM + flight GTI822
AMDAR = Aircraft Meteorological Data Relay SAEZ - MDPC
AGM = Miscellaneous Air/Ground Message
DFB = Digital Flight Book
DT = Destination, followed by the runway number
FN = Flight Number
TS = Time Stamp
• PRG = Flight Progress Report sent shortly
(i.e. 1 hour - 10 minutes) before arrival,
typically including destination airport followed by
estimated runway for landing, estimated FOB, ETA, and FN

6619.0 kHz H10 HFDL Muan Air, South Korea, + aircraft A7-ANI + B-20A2 + B-32AH + B-2091 + B-7836 + B-7838 + G-DHLK + flight FX5604
POSREP = POS, WP, ATO, FL, next+1 WP, ETO, next+2 WP,
ETO, temperature, wind, FOB or SOG, time stamp, date, HEX serial
BLDV = Bleed Valve
DA = Decision Altitude
DAR = Data Access Recorder
DFB = Digital Flight Book
DFD = Digital Flight Data
EGT = Exhaust Gas Temperature
EPR = Engine Pressure Ratio
FCNT = (DAR) Frame Counter
FF = Fuel Flow (for engines 1 + 2)
FMC = Flight Management Computer
HPV = High Pressure Valve
IRS = Inertial Reference System
ISFC = Indicated Specific Fuel Consumption
ISOV = Isolation Valve
IVV = Inertial Vertical Speed
N2DOT = High Pressure Shaft Acceleration
TCC = Turbine Case Cooling
VSV = Vacuum Switching Valve
WF / PB = Fuel Flow versus Burner Pressure
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAK = Facilities Acknowledgement Message
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response CPDLC
FMH = Facilities Message Header = Flight Number
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here

8682.0 kHz NMC United States Coast Guard San Francisco CA, United States of America
NHC = National Hurricane Center

8682.0 kHz NMC United States Coast Guard San Francisco CA, United States of America

8416.5 kHz NMO United States Coast Guard Honolulu, Hawaii

518.0 kHz Izmir Radio, Turkey
Warnings still in force - received 092120Z JAN 2024

16067.7 kHz Ministry of Foreign Affairs Cairo, Egypt
A specially formatted sample Klingenfuss frequency database
is perfectly integrated in the go2MONITOR GUI

16023.7 kHz Egyptian Embassy Washington DC, United States of America, to Ministry of Foreign Affairs Cairo, Egypt

7778.7 kHz 44406 Egyptian Embassy Delhi, India, to 99904 Ministry of Foreign Affairs Cairo, Egypt

State-of-the-art digital data signals have been tested since 2013
by innovative broadcast stations such as the Voice of America ...
Here's a 6067.1 kHz MFSK-16 emission on the lower sideband
of AM station Channel 292 transmitting both sidebands
± 2900 Hz from the carrier frequency 6070.0 kHz
New 202^3 edition of our Perseus Frequency Database
now shows utility stations' callsigns as well!

8454.8 kHz FUG French Navy Saissac, France
New 2024 edition of our Perseus Frequency Database
now shows utility stations' callsigns as well!

6095.0 kHz Broadcast (!) radio station KBC, Netherlands via Germany
testing state-of-the-art digital data signals
such as parallel MFSK emissions on 6093.5 and 6096.5 kHz
i.e. on both sidebands ± 1500 Hz from the carrier frequency 6095.0 kHz
New 2023 edition of our Perseus Frequency Database
now shows utility stations' callsigns as well!

18529.5 kHz 7RV50 Algerian Embassy Moscow, Russian Federation, to 7RQ20 Ministry of Foreign Affairs El Djaza'ir, Algeria

18063.3 kHz RC2JAL International Committee of the Red Cross Jalalabad, Afghanistan, via MB1TBI International Committee of the Red Cross Tbilisi, Georgia, to RC2KAB International Committee of the Red Cross Kabul, Afghanistan

13973.0 kHz RC2PES International Committee of the Red Cross Peshawar, Pakistan, via MB1TBI International Committee of the Red Cross Tbilisi, Georgia, to RC2MAZ International Committee of the Red Cross Mazar-e Sherif, Afghanistan