11348.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + aircraft B-6010 + N603FE + 9V-SJD + flight 2P2820
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 + T1 + T2 + T3 + AUX + TAIL = TOGW ...
TOCG = Take Off Centre of Gravity
ZFCG = Zero Fuel Centre of Gravity
• 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 A9M Hamala Radio, Bahrain
BA = British Admiralty
BAPCO = Bahrain Petroleum Company
MENAS = Middle East Navigation Aids Service
MEGULITE = Middle East Gulf Lighting Service

11348.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + aircraft CC-CXG + C-FIUL + C-FNOH + RPC8397 + flight FDX60
PACD is an ETOPS emergency alternate airport for trans-Pacific flights ...
AWDSA = Automated Weather Data - Surface Analysis
DXP = Dispatcher
FOD = Flight Operations Dispatch
TI2 = Terminal Information Request

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

5100.0 kHz VMC Charleville Meteo QLD, Australia

17928.0 kHz H17 HFDL Telde Air, Canary Islands, + aircraft A6-ATC + A6-EVE + B-221S + B-306Y + B-18910 + CN-RGG + CN-RGH + ER00006 + LY-NOW + flight KZR215
Fault message in Airbus' XML format ...
AGM = Miscellaneous Air/Ground Message
AOC = Airline Operations Control
CCO = Operations Control Centre
CFB = Centralized Fault Book
CMS = Central Maintenance System
CTOT = Calculated Take-Off Time (used for slot allocation)
PTID = Point Identification
WN = Warning Number, followed by the Date-Time Group
• 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

17928.0 kHz H17 HFDL Telde Air, Canary Islands, + aircraft B-221S + CC-BGK + CN-ROR + EI-TYC + N521DN + N579UP + SU-GEJ + flight UZB603
AGM = Miscellaneous Air/Ground Message
CFD = Centralized Fault Data
ECS = Environmental Control System
FMC = Flight Management Computer
FMS = Flight Management System
MDPWI = Meteorological Data - Predicted Wind for FL 350 360 380
• 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

7795.0 kHz JMH2 Tokyo Meteo, Japan

518.0 kHz JNB Naha Radio, Okinawa Island, Japan

Tropical Storm SHANSHAN ...

518.0 kHz XSL Fuzhou Radio, China

10084.0 kHz H05 HFDL Auckland Air, New Zealand, + aircraft EI-KIB + UK32011 + 5H-TCO + flight SIA247
Increasing solar activity - and the ionosphere going totally crazy:
CPDLC uplink for a OMSJ - HTZA Arabia - East Africa regional flight ... via Auckland!
CFB = Centralized Fault Book
DA = Departure Airport
DM = Time Stamp
DS = Destination Airport
ELT = Emergency Locator Transmitter
FR = Fault Report, followed by the Date-Time Group
GPSSU = Global Positioning System Sensor Unit
IR = Inertial Reference
MMR = Multi-Mode Receiver
WN = Warning Number, followed by the Date-Time Group
• The TP4 (= Transport Protocol Class 4) message
notifies the pilot of an ATSU identifier
• 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

10084.0 kHz H05 HFDL Auckland Air, New Zealand, + aircraft CC-BGJ + flight HZ5653
CG = Center of Gravity
CI = Consistency Index
DT = Destination, followed by the runway number
FEL = Fuel Estimation Left
FER = Fuel Estimation Right
FN = Flight Number
TI2 = Terminal Information Request
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
• 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

13276.0 kHz H04 HFDL Riverhead Air NY, United States of America, + aircraft A7-ANG + CN-RGS + N566LA + N631UP + YU-ARB + flight AC0821
LDA = Landing Distance Available = treshold to treshold = TORA plus the treshold displacement
LTGICCG = Lightning in the Clouds, and from Cloud to Ground
TI2 = Terminal Information Request
TORA = Take Off Run Available
• 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

13276.0 kHz H04 HFDL Riverhead Air NY, United States of America, + aircraft A7-ALS + C-GOKE + CN-RGS + JA13KZ + N631UP + N885FD + YU-ARB + flight DAL777
FSM = Flight System Message
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response
FCA = Facilities Contact Advisory
FCP = Facilities Contact Response
FMH = Facilities Message Header = Flight Number
• 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

13276.0 kHz H04 HFDL Riverhead Air NY, United States of America, + aircraft A6-ETJ + A7-ANG + CN-RGS + F-HUVE + JA13KZ + N631UP + YU-ARB + flight UAE5V
CFD = Centralized Fault Data
ECS = Environmental Control 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

4209.5 kHz XVG Hai Phong Radio, Viet Nam

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 ...

7795.0 kHz JMH2 Tokyo Meteo, Japan

7795.0 kHz JMH2 Tokyo Meteo, Japan

8936.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + aircraft RA73680 + UK32022 + flight AC0064 + CAL022
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
DOI = Dry Operating Index
• Engine Cruise Report UHHH - UNNT ...
= 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 ...

8677.0 kHz CBV Valparaiso Radio, Chile

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

16971.0 kHz JJC Kyodo Tsushin Tokyo, Japan

8936.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + aircraft B-30DR + HL8388 + N515DN + N616UP + flight ACA932
CFD = Centralized Fault Data
• 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

13270.0 kHz H06 HFDL Hat Yai Air, Thailand, + aircraft 9V-SCK + 9V-SHT + 9V-SJF + flight CCA860 + SIA505
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
SINOCSQ = Singapore - Operations Centre Singapore Airlines
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

13270.0 kHz H06 HFDL Hat Yai Air, Thailand, + aircraft A6-EEC + A6-EVD + B-18917 + ET-AYA + N631FE + flight KNE278
Code figures for VECC runways braking action - see e.g. here
TI2 = Terminal Information Request
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
• 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 HSA Bangkok Radio, Thailand
005671000 is the station's MMSI (Maritime Mobile Service Identity) code

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

518.0 kHz XVS Ho Chi Minh City Radio, Viet Nam

518.0 kHz Don Sak Radio, Thailand
See 5 AUG 2021 NAVTEX Panel Report

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

518.0 kHz XSZ Dalian Radio, China
MSA = Maritime Safety Administration

8936.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + aircraft A6-EUV + B-326F + N631FE + N866FD + 9V-SJC + VN-A896 + flight AS0155
AGM = Miscellaneous Air/Ground Message
GOCC = Global Operations Control Center
LLD = Large Lateral Deviation = 10 NM or more without ATC approval
MOCC = Meteorological Operations Control Center
MX = Maintenance
• 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 VCG Canadian Coast Guard Moisie QUE, Canada

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

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

4209.5 kHz TAH Istanbul Radio, Turkey

4209.5 kHz TAH Istanbul Radio, Turkey

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

8936.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + aircraft B-18903 + B-18909 + HL8387 + N611UP + N627UP + N884FD + N967AM + XA-DUR + flight KAL036
RKSI - MMMX L/R engine settings ...
CFD = Centralized Fault Data
ECS = Environmental Control System
TI2 = Terminal Information Request
TPEOD = Taipei Operational Department
• 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

8658.0 kHz JFX Kagoshima Fisheries Radio, Japan
Latest tuna market prices ...
The date reads 6 8 23 = 2024 August 23
since the Japanese calendar year in the Reiwa Era is used here
Formula: Reiwa year + 2018 = Gregorian year

21937.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + aircraft B-2088 + JA819P + JA888A + N510DN + N599FE + N614UP + N618UP + N621UP + flight FDX3
MKCW should read KMCW!
CFD = Centralized Fault Data
ECS = Environmental Control System
EEP = ETOPS Entry Point
LGTM = Light Minus Turbulence = relatively weaker intensity
MOCC = Meteorological Operations Control Center
MX = Maintenance
RDA = Route Data Assessment
WST = Warning Severe Thunderstorms

21937.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + aircraft B-326V + B-18909 + C-FVNB + N863FD + SU-GEH + 9V-SGF + flight UAE37V
Increasing solar activity - and the ionosphere going totally crazy:
Routing uplink for a HECA - VABB regional hop across the Arabian Sea ... via Hawaii!
AGM = Miscellaneous Air/Ground Message
• 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

13270.0 kHz H06 HFDL Hat Yai Air, Thailand, + aircraft A6-ATA + B-MBO + B-18652 + VN-A513 + 9V-SJA + flight SJX850
Perfect OOOI ...
AFMC = Auxiliary Fuel Management Computer
AFMS = Aircraft Fuel Management System
CFB = Centralized Fault Book
ELT = Emergency Locator Transmitter
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
MMR = Multi-Mode Receiver
OCCS = Operations Control Centre Singapore
TPEOD = Taipei Operational Department
TPIS = Tire Pressure Indicator System
WN = Warning Number, followed by the Date-Time Group

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

5195.0 kHz DRA5 Kiel, Germany

13270.0 kHz H06 HFDL Hat Yai Air, Thailand, + aircraft ET-AWM enroute ZSPD - HAAB
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
FDE = Fault Detection and Exclusion
MIAM = Media Independent Aircraft Message
MSN = Manufacturer's Serial Number
PDU = Pilot Display Unit
RTR = Ready To Receive
• 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 for many years now ...
SAN = South African Navy

518.0 kHz 3BM Port Louis Radio, Mauritius

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

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

13312.0 kHz H16 HFDL Barrigada Air, Guam, + aircraft B-2025 + JA206P + N621UP + RPC3508 + 9V-SMB + flight UAL142
Code figures for WSSS runways braking action - see e.g. here
AGM = Miscellaneous Air/Ground Message
ETP = Equitime Point
RSCD = Runway Surface Condition
RWYCC = Runway Condition Code
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

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

16907.5 kHz JFA Funabashi Fisheries Radio, Japan
NOAA satellite settings for JRC / FURUNO fish finder equipment ...
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

4209.5 kHz XVN Nha Trang Radio, Viet Nam
Warnings still in force - received 191620Z AUG 2024

9982.5 kHz KVM70 Honolulu Meteo, Hawaii

13276.0 kHz H04 HFDL Riverhead Air NY, United States of America, + aircraft C-GTSZ + EI-EIL + EI-TYA + F-HUVG + HP1833 + JA11KZ + flight AR1324
POSREP = POS, WP, ATO, FL, next+1 WP, ETO, next+2 WP,
ETO, temperature, wind, FOB or SOG, time stamp, date, HEX serial
ITWS = Integrated Terminal Weather System
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response
FCA = Facilities Contact Advisory
FCP = Facilities Contact 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

13988.5 kHz JMH4 Tokyo Meteo, Japan

518.0 kHz EJM Irish Coast Guard Malin Head, Ireland

518.0 kHz GPK Portpatrick Radio, United Kingdom

518.0 kHz EQI Abbas Radio, Iran

4610.0 kHz GYA Royal Navy London, United Kingdom

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

7433.5 kHz HLL5 Soul Meteo, South Korea
GK2A = GEO KOMP 2A = Geostationary Korea Multi Purpose Satellite
KMA = Korea Meteorological Administration
Tropical Storm AMPIL near the Kuril Islands ...

518.0 kHz VAU Canadian Coast Guard Chebogue NS, Canada

13270.0 kHz H06 HFDL Hat Yai Air, Thailand, + aircraft B-2088 + JA12KZ + OH-LWG + PK-BGZ + VN-A506 + flight SIA33
Code figures for VTBS runways braking action - see e.g. here
CFD = Centralized Fault Data
FOC = Flight Operations Control
TI2 = Terminal Information Request

13312.0 kHz H16 HFDL Barrigada Air, Guam, + aircraft B-2035 + B-6011 + B-7869 + flight CES243 + CES563
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
PD = Profile Descent
• 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

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-6593 + B-7869 + HS-THC + HS-THE + N507DN + N509DN + RPC8780 + flight CES278
REQPWI = Predicted Wind Request for FL 390 370 350
TI2 = Terminal Information Request
• 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
• 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 XSQ Guangzhou Radio, China
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 B-305S + EC-ODQ + LY-CIN + RA73309 + VT-ANA + 5Y-CYA + flight SU1122
POSREP = POS, WP, ATO, FL, next+1 WP, ETO, next+2 WP,
ETO, temperature, wind, FOB or SOG, time stamp, date, HEX serial
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
• 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

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

8453.5 kHz Digital data station

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

13270.0 kHz H06 HFDL Hat Yai Air, Thailand, + aircraft B-LXO + B-20A2 + B-307M + B-8979 + JA205P + 9V-SHM + VN-A513 + flight CSC896
AGM = Miscellaneous Air/Ground Message
FCNT = (DAR) Frame Counter
ISFC = Indicated Specific Fuel Consumption
OIP = Oil Pressure
OIQ = Oil Quantity
OIT = Oil Temperature
TLA = Thrust Lever Angle
• 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-EIN + JA205P + JU-1410 + N512DN + N572UP + N890FD + flight SIA281
DEST BURN + ALTN + RESERVE + HOLD = MIN RQD + RPF + OTHER = TKOF + TAXI = TTL FOB
AGM = Miscellaneous Air/Ground Message
CFB = Centralized Fault Book
CFD = Centralized Fault Data
CI = Consistency Index
ECS = Environmental Control System
ETE = Estimated Time Elapsed
ETP = Equitime Point
FLR = Failure
FMS = Flight Management System
FR = Fault Report, followed by the Date-Time Group
GOCC = Global Operations Control Center
IR = Inertial Reference
MEL = Minimum Equipment List
MMR = Multi-Mode Receiver
PFL = Planned Flight Level
PFR = Planned Fuel Remaining
RDA = Route Data Assessment
RDC = Route Data Calculation

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

13270.0 kHz H06 HFDL Hat Yai Air, Thailand, + aircraft B-20C6 + TC-LGH + 4R-ABT + 9V-SGD + 9V-SHI + flight CES205
120 NM? Tak boleh tahan lah!
Code figures for VABB runways braking action - see e.g. here
OCCS = Operations Control Centre Singapore
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

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

518.0 kHz UGE Arkhangelsk Radio, Russian Federation

12629.3 kHz XSQ Guangzhou Radio, China
CMA = China Meteorological Administration
MSA = Maritime Safety Administration

12629.3 kHz XSQ Guangzhou Radio, China
CMA = China Meteorological Administration
MSA = Maritime Safety Administration

17967.0 kHz H15 HFDL Muhurroq Air, Bahrain, + aircraft A6-EEL + B-30CL + B-323L + F-HRNB + OE-LZF + P4TUNA + RA73227 + 5H-TCO + flight UAE51N
The INRANGE message announces the aircraft being within VHF range of the DS
REQFPN = FPL report request uplink
RESREQ/AK = FMS downlink acknowledgement of a REQFPN uplink
TS = Time Stamp
• 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

12579.0 kHz L2C Argentinian Coast Guard Buenos Aires, Argentina

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

17916.0 kHz H13 HFDL Santa Cruz Air, Bolivia, + aircraft B-LXN + CC-CWF + N720NK + PR-YYI + flight SU2961

518.0 kHz PKX Jakarta Radio, Indonesia
VTS = Vessel Traffic Service

518.0 kHz XSI Sanya Radio, China

13351.0 kHz H05 HFDL Auckland Air, New Zealand, + aircraft B-32AG + EC-NUI + HL7639 + HL7746 + JA828P + N945AV + PR-YYD + T7-MRF + 9V-SJD + flight AC0033
EC-NUI is one of two Wamos Air on wet lease for Philippine Airlines
for the daily RPLL - YMML - RPLL and RPLL - YSSY - RPLL shuttle ...
AGM = Miscellaneous Air/Ground Message
CFB = Centralized Fault Book
CFD = Centralized Fault Data
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
GPWC = Ground Proximity Warning Computer
RA = Radio Altimeter
TPIC = Tire Pressure Indicator Computer
TS = Time Stamp
• 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 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 EC-NBN + HC-CRU + PR-TYL + YR-KID + flight LAN621
DT = Destination, followed by the runway number
FN = Flight Number
FSM = Flight System Message
• 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 ...
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 ...
• 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

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

4209.5 kHz XVG Hai Phong Radio, Viet Nam

518.0 kHz NOJ United States Coast Guard Kodiak, Alaska
BNM = Broadcast Notice to Mariners
LLNR = Light List Number

13276.0 kHz H04 HFDL Riverhead Air NY, United States of America, + aircraft N510DN + flight AFR92X + UAL423
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

13276.0 kHz H04 HFDL Riverhead Air NY, United States of America, + aircraft SE-DMR + 5Y-KZE + flight AS0008
DT = Destination, followed by the runway number
FN = Flight Number
TS = Time Stamp
• The TP4 (= Transport Protocol Class 4) message
notifies the pilot of an ATSU identifier
• 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 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 JGC Yokohama Radio, Japan

8040.0 kHz GYA Royal Navy London, United Kingdom

13351.0 kHz H05 HFDL Auckland Air, New Zealand, + aircraft B-2762 + JA982A + N505DN + 9V-SHR + flight UAE7DK
PACD is an ETOPS emergency alternate airport
for trans-Pacific flights with RWY 15/33 = 3103 metres ...
HNDMAT = Haneda Meteorological Advice Team
• 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

21997.0 kHz H13 HFDL Santa Cruz Air, Bolivia, + aircraft CN-RGH + EC-NBN + N398AV + N748AV + 9H-MLX + flight AZU460
ADF = Automatic Direction Finder
AGM = Miscellaneous Air/Ground Message
CFB = Centralized Fault Book
DT = Destination, followed by the runway number
FN = Flight Number
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
WN = Warning Number, followed by the Date-Time Group
• 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
• 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 NMF United States Coast Guard Boston MA, United States of America
BNM = Broadcast Notice to Mariners

4210.5 (not 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!!!
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 ...

10084.0 kHz H05 HFDL Auckland Air, New Zealand, + aircraft JA15KZ
Perfect reception on a SAMSUNG Galaxy Tab A tablet computer using the GOOGLE Chrome webbrowser ...
MALSR = Medium Approach Light System with Runway Alignment Indicator Lights
TI2 = Terminal Information Request

8885.0 kHz H15 HFDL Muhurroq Air, Bahrain, + flight QTR85X

13276.0 kHz H04 HFDL Riverhead Air NY, United States of America, + aircraft CN-ROJ + D-AIVD + EC-OFM enroute LEMD - SAEZ + HP1714 + N107FE + N519DN + N610UP +
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
DFD = Digital Flight Data
MIAM = Media Independent Aircraft Message
PDU = Pilot Display Unit
• RAIM = Receiver Autonomous Integrity Monitoring
A RAIM prediction ensures that available GNSS signals
meet the integrity for a given phase of flight

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

10084.0 kHz H05 HFDL Auckland Air, New Zealand, + aircraft B-LQE + B-LRC + B-20C6 + B-1293 + EC-NUI + HL7637 + JA10VA + JA14VA + N16008 + RPC8610 + flight CHH445
EC-NUI is one of two Wamos Air on wet lease for Philippine Airlines
for the daily RPLL - YMML - RPLL and RPLL - YSSY - RPLL shuttle ...
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
CFB = Centralized Fault Book
MIAM = Media Independent Aircraft Message
PDU = Pilot Display Unit
WN = Warning Number, followed by the Date-Time Group
• 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, + flight AS0811

4209.5 kHz XSV Tianjin Radio, China
MSA = Maritime Safety Administration

13351.0 kHz H05 HFDL Auckland Air, New Zealand, + aircraft B-LRI + B-6535 + ET-ASG + flight 2P2869
CFB = Centralized Fault Book
CFPS = Collaborative Flight Planning System.
CMC = Central Maintenance Computer
DB = Data Base
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
FRC = Fault Reporting Code
GPM = General Processing Module
ICS = Internal Communication System
PDHM = Prognostic and Diagnostic Health Monitor
SIU = Server Interface Unit

4209.5 kHz XVN Nha Trang Radio, Viet Nam
Warnings still in force - received 310020Z JUL 2024
DWT = Dead Weight Tonnage

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

12711.0 kHz PWZ Brazilian Navy Rio de Janeiro, Brazil

11306.0 kHz H16 HFDL Barrigada Air, Guam, + aircraft B-32F8 + B-328L + JA218P + N26970 + flight APJ27 + CES561
Code figures for VHHH runways braking action - see e.g. here
AGM = Miscellaneous Air/Ground Message
MRD = Maintenance Release Document
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
• 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-ROY + LY-NOW + N12006 + YR-WIN + flight SU1831
Crew name and licence number list ...
AGM = Miscellaneous Air/Ground Message
AFMS = Aircraft Fuel Management System
ALSCU = Auxiliary Level Sensoring Control Unit
CFB = Centralized Fault Book
CFDS = Centralized Fault Display System
CVDR = Cockpit Voice and Data Recorder
DT = Destination, followed by the runway number
ECAM = Electronic Centralized Aircraft Monitoring
FLR = Failure
FN = Flight Number
FR = Fault Report, followed by the Date-Time Group
FWC = Flight Warning Computer
SDU = Satellite Data Unit
TPIS = Tire Pressure Indicator System
WN = Warning Number, followed by the Date-Time Group
• 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 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

8302.0 kHz XSG Shanghai Radio, China
CMA = China Meteorological Administration

13270.0 kHz H06 HFDL Hat Yai Air, Thailand, + aircraft B-30C3 + B-8502 + HL7634 + HL8099 + N625UP + VN-A5133 + flight CSZ989
AGM = Miscellaneous Air/Ground Message
C/B = Circuit Board
CFB = Centralized Fault Book
DA = Departure Airport
DM = Time Stamp
DS = Destination Airport
OCC = Operations Control Centre
TPIS = Tire Pressure Indicator System
WN = Warning Number, followed by the Date-Time Group

22448.8 kHz FUV French Navy Jibuti, Djibouti

11387.0 kHz H04 HFDL Riverhead Air NY, United States of America, + aircraft C-FNOI + N618UP + N857GT + flight WFL250
Code figures for CYYC runways braking action - see e.g. here
CRFI = Canadian Runway Friction Index - see e.g. here and here
DX = Dispatcher
HW = Head Wind
LDA = Landing Distance Available = treshold to treshold = TORA plus the treshold displacement
RSC = Runway Surface Condition
TI2 = Terminal Information Request
TORA = Take Off Run Available
WST = Warning Severe Thunderstorms
XW = Cross Wind

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

518.0 kHz NMO United States Coast Guard Honolulu, Hawaii
ATON = Aid to Navigation
BNM = Broadcast Notice to Mariners
LLNR = Light List Number

21997.0 kHz H13 HFDL Santa Cruz Air, Bolivia, + flight AFR692 + AVA520

4209.5 kHz SVH Iraklion Radio, Greece

11086.5 kHz GYA Royal Navy London, United Kingdom

8302.0 kHz XSG Shanghai Radio, China
CMA = China Meteorological Administration

21997.0 kHz H13 HFDL Santa Cruz Air, Bolivia, + aircraft C-FVLU + N510DN + N573DZ + YR-KID + flight VIV650
CI = Consistency Index
FSM = Flight System Message
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

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

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

16963.3 kHz FUF French Navy Fort de France, Martinique
A specially formatted sample Klingenfuss frequency database
is perfectly integrated in the go2MONITOR GUI

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

16984.0 kHz PWZ Brazilian Navy Rio de Janeiro, Brazil

16984.0 kHz PWZ Brazilian Navy Rio de Janeiro, Brazil

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 ...

518.0 kHz Balasore Radio, India
IMD = India Meteorological Department

17967.0 kHz H15 HFDL Muhurroq Air, Bahrain, + aircraft B-325Z + EI-KBV + RA73848 + 5H-TCO + 5Y-KCA + flight KZR911
AGM = Miscellaneous Air/Ground Message
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
MDPWI = Meteorological Data - Predicted Wind for FL 310 330
MMR = Multi-Mode Receiver
TI2 = Terminal Information Request
WN = Warning Number, followed by the Date-Time Group
• 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

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

9165.0 kHz HLL Soul Meteo, South Korea

9165.0 kHz HLL Soul Meteo, South Korea

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

518.0 kHz L2G Argentinian Coast Guard Buenos Aires, Argentina

12629.3 kHz XSQ Guangzhou Radio, China
CMA = China Meteorological Administration
MSA = Maritime Safety Administration

11348.0 kHz H17 HFDL Telde Air, Canary Islands, + aircraft CN-RGH + N24980 + flight V746VE
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
AGM = Miscellaneous Air/Ground Message
CCO = Operations Control Centre
• 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

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

4209.5 kHz XVN Nha Trang Radio, Viet Nam

17967.0 kHz H15 HFDL Muhurroq Air, Bahrain, + aircraft B-1167 + HZ-NS63 + LY-NOW + VT-IAS + 9V-SMT + flight THY265
AGM = Miscellaneous Air/Ground Message
CTOT = Calculated Take-Off Time (used for slot allocation)
PTID = Point Identification
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

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 = Data Base
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

17919.0 kHz H01 HFDL San Francisco Air CA, United States of America, + aircraft HL8388 + N631UP + XA-VBW + flight KAL085
Perfect OOOI ...
CFB = Centralized Fault Book
ECAM = Electronic Centralized Aircraft Monitoring
EFCS = Electronic Flight Control System
FR = Fault Report, followed by the Date-Time Group
PHC = Probe Heat Computer
SDAC = System Data Acquisition Computer
WST = Warning Severe Thunderstorms
• 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

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

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

8416.5 kHz VFF Canadian Coast Guard Iqaluit NUN, Canada

13988.5 kHz JMH4 Tokyo Meteo, Japan

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

10030.0 kHz H15 HFDL Muhurroq Air, Bahrain, + aircraft A6-EIA + A6-EUN + ET-AOR + F-HHUG + HZ-NS46 + HZ-NS76 + JA214P + RA73231 + 7O-AFF + flight FBU70A
AGM = Miscellaneous Air/Ground Message
REQFPN = FPL report request uplink
RESREQ/AK = FMS downlink acknowledgement of a REQFPN uplink
TI2 = Terminal Information Request
TS = Time Stamp
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

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

13312.0 kHz H16 HFDL Barrigada Air, Guam, + aircraft B-LXD + B-1028 + B-6759 + HL8516 + N12010 + N15969 + 9V-SCV + flight CES502
AGM = Miscellaneous Air/Ground Message
FRM = Fault Reporting Manual
• The Lateral Deviation Change Event is triggered
when the aircraft's actual position exceeds a lateral distance parameter
from the aircraft's expected position on the active flight plan
• 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

5100.0 kHz VMC Charleville Meteo QLD, Australia
Total wave height and direction ...

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

518.0 kHz Antalya Radio, Turkey
N/W = Nautical Warning

8927.0 kHz H01 HFDL San Francisco Air CA, United States of America, + aircraft HL8388 + JA207P + JA902A + N521DN + N866FD + N872FD + SE-RSE + flight KAL085
AGM = Miscellaneous Air/Ground Message
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
• 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 NMN United States Coast Guard Norfolk VA, United States of America
BNM = Broadcast Notice to Mariners
HAZOPS = Hazardous Operations

21997.0 kHz H13 HFDL Santa Cruz Air, Bolivia, + aircraft CC-BBD + EC-NGM + HZ-AQK + PR-TYN + PR-TYS + PR-YYJ + flight AZU433
Increasing solar activity - and the ionosphere going totally crazy:
POSREP downlink from a HECA - OEJN regional hop across the Red Sea ... via Santa Cruz!
POSREP = POS, WP, ATO, FL, next+1 WP, ETO, next+2 WP,
ETO, temperature, wind, FOB or SOG, time stamp, date, HEX serial
AA = Arrival Airport
AP = Approach type and runway number
CFB = Centralized Fault Book
DA = Departure Airport
DM = Time Stamp
DS = Destination Airport
FN = Flight Number
FPN = Flight Plan Report downlink
REQFPN = FPL report request uplink
REQPWI = Predicted Wind Request for FL 390 380 370 360
TI2 = Terminal Information Request
TS = Time Stamp

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

13315.0 kHz H13 HFDL Santa Cruz Air, Bolivia, + aircraft CC-BGK + RPC9936 + XA-VSG + flight AVA218
POSREP = POS, WP, ATO, FL, next+1 WP, ETO, next+2 WP,
ETO, temperature, wind, FOB or SOG, time stamp, date, HEX serial
MD = Meteorological Data
PWI = Meteorological Data - Predicted Wind for FL 350

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 LGQ Rogaland Radio, Norway

8791.0 kHz XSG Shanghai Radio, China
Radiofax transmission erroneously on a SSB frequency ...
CMA = China Meteorological Administration

10081.0 kHz H07 HFDL Shannon Air, Ireland, + aircraft OH-LWD enroute EFHK - 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
ADIRS = Air Data Inertial Reference System
ADIRU = Air Data Inertial Reference Unit
CMS = Cabin Management System
MIAM = Media Independent Aircraft Message
MSN = Manufacturer's Serial Number
PFD = Primary Flight Display
RTR = Ready To Receive
SFCC = Slat Flap Control Computer

13394.8 kHz Digital data station

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

8416.5 kHz L2C Argentinian Coast Guard Buenos Aires, Argentina

6559.0 kHz H01 HFDL San Francisco Air CA, United States of America, + aircraft B-18908 + CS-TSH + HL8387 + N633UP + flight AS1180
• 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 Vakalpudi Radio, India
IMD = India Meteorological Department
INW = Indian Navigational Warning

21934.0 kHz H01 HFDL San Francisco Air CA, United States of America, + aircraft C-FNOE + EI-MYY + HL7634 + N297FE + N507DN + N523FE + flight DAL276
DEST BURN + ALTN + RESERVE + CONT = MIN RQD + RPF + OTHER = TKOF + TAXI = TTL FOB
AGM = Miscellaneous Air/Ground Message
DFD = Digital Flight Data
DFR = Daily Flight Report
FOD = Fuel Over Destination
GOCC = Global Operations Control Center
LMTOGW = Limiting Maximum Operational Take-Off Gross Weight
MEL = Minimum Equipment List
MFWF = Minimum Flight Weight Fuel
RPF = Reliability Protection Fuel
• Engine Cruise Report KLAX - MMGL ...
= 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

8425.5 kHz XSG Shanghai Radio, China
Characters in brackets denote the Latin alphabet
The four-figure groups without brackets
are Chinese ideographs

518.0 kHz NMW United States Coast Guard Astoria OR, United States of America
BNM = Broadcast Notice to Mariners
LLNR = Light List Number

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

13276.0 kHz H01 HFDL San Francisco Air CA, United States of America, + aircraft B-2411 + N511DN + N783AM + flight AC0004
MMMX - KLAX flight parameters ...
TI2 = Terminal Information Request

518.0 kHz NMQ United States Coast Guard Long Beach CA, United States of America

8948.0 kHz H17 HFDL Telde Air, Canary Islands, + aircraft CN-RGF + CN-RGK + 7T-VJA + flight DP6905
AGM = Miscellaneous Air/Ground Message
CCC = Core Compartment Cooling
CCO = Operations Control Centre
CFB = Centralized Fault Book
CIDS = Cabin Intercommunication Data System
DT = Destination, followed by the runway number
ECU = Electronic Control Unit
FCMC = Fuel Control and Monitoring Computer
FLR = Failure
FMV = Fuel Metering Valve
FN = Flight Number
FR = Fault Report, followed by the Date-Time Group
HMU = Hydro Mechanical Unit
HPTC = High Pressure Turbine Control
LDCC = Lower Deck Cargo Compartment
PES = Passenger Entertainment System
PSCU = Proximity Switch Control Unit
REQPWI = Predicted Wind Request for FL 390 370 350 330
SDF = Smoke Detection Function
SPM = Signal Processing Module
SR = Seat Row
TI2 = Terminal Information Request
TS = Time Stamp
VSC = Vacuum System Controller
WN = Warning Number, followed by the Date-Time Group
• 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

8416.5 kHz UAT Moscow Radio, Russian Federation

7646.0 kHz DDH7 Hamburg Meteo, Germany
DWD = Deutscher Wetterdienst

7646.0 kHz DDH7 Hamburg Meteo, Germany

17967.0 kHz H15 HFDL Muhurroq Air, Bahrain, + aircraft HZ-NS58 + SU-GCH + 554 + 556 + flight UAE185
554 and 556 are Airbus A320-214CJ Prestige of the Royal Air Force of Oman ...
ATSU = Air Traffic Service Unit
CFB = Centralized Fault Book
DA = Departure Airport
DCDU = Datalink and Control Display Unit
DM = Time Stamp
DS = Destination Airport
ECAM = Electronic Centralized Aircraft Monitoring
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
PHC = Probe Heat Computer
SDAC = System Data Acquisition Computer
WN = Warning Number, followed by the Date-Time Group
• Engine Cruise Report OOMS - OOSA ...
= 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 XVN Nha Trang Radio, Viet Nam

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

518.0 kHz XSG Shanghai Radio, China

518.0 kHz UFL Vladivostok Radio SE, Russian Federation
Zaliv Petra Velikogo = Peter the Great Gulf

6559.0 kHz H01 HFDL San Francisco Air CA, United States of America, + aircraft B-1297 + B-6430 + CC-CXI + EI-MYY + N518DZ + N617UP + RPC8612 + flight UPS296
CFD = Centralized Fault Data
ECS = Environmental Control System
FOD = Flight Operations Dispatch
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

6340.5 kHz NMF United States Coast Guard Boston MA, United States of America

6340.5 kHz NMF United States Coast Guard Boston MA, United States of America
NCEP = National Centers for Environmental Prediction

6340.5 kHz NMF United States Coast Guard Boston MA, United States of America

6340.5 kHz NMF United States Coast Guard Boston MA, United States of America
NCEP = National Centers for Environmental Prediction

6535.0 kHz H06 HFDL Hat Yai Air, Thailand, + flight SAA024

518.0 kHz 9WW21 Miri Radio, Sarawak, Malaysia

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

518.0 kHz 9AS Split Radio, Croatia

518.0 kHz UDN Novorossiysk Radio, Russian Federation

518.0 kHz 9HD Valetta Radio, Malta
SOLAS = Safety of Life at Sea

17919.0 kHz H01 HFDL San Francisco Air CA, United States of America, + aircraft N615FE + TC-LGL + 9V-SCC + 9V-SCN + 50010B + flight CPA826
DFD = Digital Flight Data
OCCS = Operations Control Centre Singapore
TI2 = Terminal Information Request
TOBT = Target Off Block Time
• 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 SUK Quseir Radio, Egypt
BA = British Admiralty
EAFMS = Egyptian Authority for Maritime Safety
This is the former PLA (Ports and Lighthouses Administration) ...

518.0 kHz 3VL Kelibia Radio, Tunisia
NTM = Notice to Mariners

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

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

16907.5 kHz JFA Funabashi Fisheries Radio, Japan
Maritime safety information ...
The date reads 6 3 30 = 2024 March 30
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

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

15586.0 kHz RCV Commonwealth of Independent States Navy Sevastopol', Ukraine

518.0 kHz United States Coast Guard Savannah GA, United States of America
BNM = Broadcast Notice to Mariners
GUNEX = Gunnery Exercise
JSWTR = Jacksonville Shallow Water Training Range

13988.5 kHz JMH4 Tokyo Meteo, Japan

13988.5 kHz JMH4 Tokyo Meteo, Japan

8085.8 kHz Digital data station

17919.0 kHz H01 HFDL San Francisco Air CA, United States of America, + aircraft HL8387 + JA814A + N509DN + N843FD + N26967 + TF-PPE + XA-VBB + XA-VBW + flight KAL214
DT = Destination, followed by the runway number
FMC = Flight Management Computer
OMC = Operations Management Center
VA = Volcanic Ash
• 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

VAAC Tokyo ...

518.0 kHz XVT Da Nang Radio, Viet Nam
Warnings still in force - received 222140Z MAR 2024

15025.0 kHz H03 HFDL Reykjavik Air, Iceland, + aircraft CN-RGK + CN-RGX + EI-KBM + EI-KDD + EI-KGI + HZ-NS34 + HZ-NS35 + RA73228 + 5A-ONA + flight KNE045
AFS = Auto Flight System
AGM = Miscellaneous Air/Ground Message
CCO = Operations Control Centre
CFB = Centralized Fault Book
DA = Departure Airport
DM = Time Stamp
DS = Destination Airport
FADEC = Full Authority Digital Engine Control
FCU = Flight Control Unit
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
WN = Warning Number, followed by the Date-Time Group
• 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

490.0 kHz UUI Odessa Radio, Ukraine
Warnings still in force - received 210230Z MAR 2024

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

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

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

6559.0 kHz H01 HFDL San Francisco Air CA, United States of America, + aircraft N508DN enroute RKSI - KMSP
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
AFDX = Avionics Full-Duplex Switched Ethernet
CMS = Cabin Management System
MFD = Multi-Function Display
MIAM = Media Independent Aircraft Message
MSN = Manufacturer's Serial Number
PDU = Pilot Display Unit
RTR = Ready To Receive

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

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

16971.0 kHz JJC Kyodo Tsushin Tokyo, Japan

518.0 kHz LFO Oerlandet Radio, Norway

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

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

5720.0 kHz H03 HFDL Reykjavik Air, Iceland, + flight KZR706 + THY8

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

8948.0 kHz H17 HFDL Telde Air, Canary Islands, + aircraft CN-RGH + EC-NCX + F-WZHD + HL8389 + N603FE + 9V-SMR + flight AT0565
F-WZHD is an Airbus A350-941 to become Lufthansa's D-AIXT ...
AGM = Miscellaneous Air/Ground Message
BJR = Bonjour
CDB = Commandant Du Bord
DFD = Digital Flight Data
• 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

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

10555.0 kHz VMW Wiluna Meteo WA, Australia

16806.5 kHz NMC United States Coast Guard San Francisco CA, United States of America

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

7795.0 kHz JMH2 Tokyo Meteo, Japan

8424.0 kHz SVO Olympia Radio, Athens, Greece

8806.3 kHz Digital data station

3585.0 kHz HLL8 Soul Meteo, South Korea

518.0 kHz CBV Valparaiso Radio, Chile
EGC = Enhanced Group Call
R/V = Research Vessel

490.0 kHz ICH Italian Coast Guard La Maddalena Island, Italy

490.0 kHz OST Oostende Radio, Belgium

7396.9 kHz HSW64 Bangkok Meteo, Thailand

7396.9 kHz HSW64 Bangkok Meteo, Thailand

8113.5 kHz RMP Commonwealth of Independent States Navy Kaliningrad, Russian Federation
Local time (e.g. 25 2005) used here since received at 1905 UTC ...

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

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

17967.0 kHz H15 HFDL Muhurroq Air, Bahrain, + aircraft OH-LWB enroute VTBS - 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
MIAM = Media Independent Aircraft Message
PDU = Pilot Display Unit

8151.0 kHz IDR Italian Navy Rome, Italy

518.0 kHz Gislovshammar Radio, Sweden

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

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

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

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

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

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

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 UFO Kholmsk Radio FE, Russian Federation
Proliv = Strait

16971.0 kHz JJC Kyodo Tsushin Tokyo, Japan

518.0 kHz SVH Iraklion Radio, Greece
FORACS = Naval Forces Sensor and Weapons Accuracy Check Sites

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

5720.0 kHz H03 HFDL Reykjavik Air, Iceland, + aircraft CN-ROZ + EI-GEY + N582FE + XA-DHN + flight VIR449
LEMD - MMMX L/R engine settings ...
AGM = Miscellaneous Air/Ground Message
DFD = Digital Flight Data
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response
FCA = Facilities Contact Advisory
FCO ADS = Facilities Contact ADS-C
FCO ATC = Facilities Contact CPDLC
FCP = Facilities Contact Response
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
• 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

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

518.0 kHz EAL Las Palmas Radio, Canary Islands
TSS = Traffic Separation Scheme

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

4298.0 kHz NOJ United States Coast Guard Kodiak, Alaska

518.0 kHz VCO Canadian Coast Guard Port Caledonia NS, Canada

9165.0 kHz HLL Soul Meteo, South Korea

518.0 kHz VRX Hong Kong Radio, China
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 Sandakan Radio, Sabah, Malaysia
First Category = Sungai Sarawak - Sungai Sadong - Sungai Lundu
Second Category = Sungai Batang Lupar
Third Category = Sungai Regang up to Brunei
NTM = Notice to Mariners

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-1083 enroute ZSPD - LIMC
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
GNSS = Global Navigation Satellite System
IR = Inertial Reference
MIAM = Media Independent Aircraft Message
MMR = Multi-Mode Receiver
PDU = Pilot Display Unit
RTR = Ready To Receive

5720.0 kHz H03 HFDL Reykjavik Air, Iceland, + aircraft A6-XWB + C-GUBT + OH-LWI + OH-LWR + XA-DHN + YU-ARB + flight QTR005
LEMD - MMMX L/R engine settings ...
POSREP = POS, WP, ATO, FL, next+1 WP, ETO, next+2 WP,
ETO, temperature, wind, FOB or SOG, time stamp, date, HEX serial
TI2 = Terminal Information Request
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
FCO ADS = Facilities Contact ADS-C
FCO ATC = Facilities Contact CPDLC
FMH = Facilities Message Header = Flight Number
FPO = Facilities Current Position
• 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

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

5720.0 kHz H03 HFDL Reykjavik Air, Iceland, + aircraft A7-ALY + CN-RAM + N842FD + OH-LWK + YR-WIN + flight DP6856
AFS = Auto Flight System
CFB = Centralized Fault Book
CFDS = Centralized Fault Display System
ECAM = Electronic Centralized Aircraft Monitoring
EFCS = Electronic Flight Control System
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
TPIS = Tire Pressure Indicator System
• 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

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

8894.0 kHz H11 HFDL Panama City Air, Panama, + aircraft N591FE + N748AV + flight AVA248 + LAN532
AGM = Miscellaneous Air/Ground Message
DT = Destination, followed by the runway number
FN = Flight Number
PDC = Pre-Departure Clearance
• 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
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

518.0 kHz VOK Canadian Coast Guard Cartwright NFLD, Canada

518.0 kHz Igdlutaligssuaq Radio, Kook Island, Greenland

3900.0 kHz H03 HFDL Reykjavik Air, Iceland, + aircraft G-ECLN + G-VUFO + TC-MCN + 7T-VJZ + flight AMX005
CFB = Centralized Fault Book
CIDS = Cabin Intercommunication Data System
DT = Destination, followed by the runway number
FLR = Failure
FN = Flight Number
FR = Fault Report, followed by the Date-Time Group
PES = Passenger Entertainment System
WN = Warning Number, followed by the Date-Time Group
• 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

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

518.0 kHz CBP Puerto Montt Radio, Chile

518.0 kHz CBT Talcahuano Radio, Chile

518.0 kHz Keating Point Radio, Andaman Islands, India
INW = Indian Navigational Warning
MMB = Maharashtra Maritime Board

518.0 kHz SUZ Serapeum Radio, Egypt
ADES = Advanced Energy Systems
ADMARINE = Jackup Rig operated by ADES
BA = British Admiralty

518.0 kHz Porto Santo Radio, Madeira
CENCOMAR = Centro de Comunicacao de Dados e Cifra da Marinha
CLCM = Companhia Logistica de Combustiveis da Madeira

518.0 kHz OXF Simiutaq Radio, Greenland

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

518.0 kHz LZW Varna Radio, Bulgaria

518.0 kHz EAV Valencia Radio, Spain

10081.0 kHz H07 HFDL Shannon Air, Ireland, + flight AT0649 + AT851W

11387.0 kHz H04 HFDL Riverhead Air NY, United States of America, + flight AMX026

490.0 kHz EAC Tarifa Radio, Spain

15025.0 kHz H03 HFDL Reykjavik Air, Iceland, + aircraft A6-EVD + EI-KGI + ES-SAF + F-HTYH + N613UP + N786AV + N847FD + RA73108 + RA73231 + RA73302 + flight KNE666
Perfect OOOI ...
CFD = Centralized Fault Display
DFB = Digital Flight Book
DFD = Digital Flight Data
FCNT = (DAR) Frame Counter
FSM = Flight System Message
ISFC = Indicated Specific Fuel Consumption
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
FCA = Facilities Contact Advisory
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
• 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 VBA Canadian Coast Guard Pass Lake ONT, Canada

518.0 kHz VON Canadian Coast Guard Robin Hood Bay, NFLD, Canada
IF = Ice Free
OW = Open Water

518.0 kHz SVL Limnos Radio, Greece

518.0 kHz Bjuroklubb Radio, Sweden

12666.3 kHz FUM French Navy Papeete, Tahiti, Polynesia (French)
A specially formatted sample Klingenfuss frequency database
is perfectly integrated in the go2MONITOR GUI

518.0 kHz VFF Canadian Coast Guard Iqaluit NUN, Canada

490.0 kHz XVR Vung Tau Radio, Viet Nam
Warnings still in force - received 260330Z NOV 2023

10063.0 kHz H11 HFDL Panama City Air, Panama, + aircraft CC-BGN + EI-MAA + flight AVA087
ACDM = Airport Collaborative Decision Making
DFB = Digital Flight Book
DT = Destination, followed by the runway number
FN = Flight Number
TI2 = Terminal Information Request
TS = Time Stamp
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
FCO ADS = Facilities Contact ADS-C
FCO ATC = Facilities Contact CPDLC
FMH = Facilities Message Header = Flight Number
FPO = Facilities Current Position
• 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

518.0 kHz EAR La Coruna Radio, Spain

8677.0 kHz CBV Valparaiso Radio, Chile

518.0 kHz Grindavik Radio, Iceland

12586.0 kHz UDK Murmansk Radio, Russian Federation
Warnings still in force - received 231500Z OCT 2023

4346.0 kHz NMC United States Coast Guard San Francisco CA, United States of America
NCEP = National Centers for Environmental Prediction

518.0 kHz UHY Murmansk Radio, Russian Federation

518.0 kHz L2G Argentinian Coast Guard Buenos Aires, Argentina

2610.2 kHz FUO French Navy Toulon, France

12786.0 kHz NMC United States Coast Guard San Francisco CA, United States of America
NHC = National Hurricane Center

518.0 kHz L2T Argentinian Coast Guard Mar del Plata, Argentina

518.0 kHz PBK Netherlands Coast Guard Ijmuiden, Netherlands
TSS = Traffic Separation Scheme

8696.0 kHz CBM Magallanes Radio, Chile

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