Hot Frequencies and
Digital Data Transmission Screenshots

Shortwave utility radio stations, partly monitored during our recent Malaysia Mauritius Reunion Rodrigues Sarawak Singapore monitoring missions.


A new USB stick gives you more than 16,000 (sixteen thousand!) digital data decoder screenshots from our continuous HF radio monitoring between 1997 and today! See the brandnew 2019/2020 Guide to Utility Radio Stations for more information such as schedules and traffic details. All frequencies are in kHz, and all system times are UTC. Our guidebook Radiotelex Messages includes hundreds of similar screenshots; that unique collection will give you an excellent overview on the state of the art in this fascinating field: think of worldwide terrorist networks using HF e-mail! For good reasons we lay particular stress on the fact that all screenshots were directly supplied by co-operating COMINT and ELINT and SIGINT units, equipment manufacturers abroad, and foreign radio monitoring experts beyond the reach of teutonic jurisdiction (German "authorities" simply click here!): just send us a short e-mail and attach a standard .w40 or .w41 or .w51 or .w61 or .wda file, then we have even your system's timestamps! The following - very recent! - screenshots were taken and uploaded independently to this pooling webpage by our worldwide net of cooperators, using advanced equipment such as the superb PROCITEC and WAVECOM Digital Data Decoders.


518.0 kHz 9MG Georgetown Radio, Penang Island, Malaysia
Malaysian coastal radio stations routinely transmit totally outdated messages
Tak boleh tahan lah!

518.0 kHz Balasore Radio, India
ITR = Integrated Test Range of the Indian Ballistic Missile Defense Program

518.0 kHz Vakalpudi Radio, India

5583.0 kHz ACARS H05 Auckland Air, New Zealand, + aircraft DQ-FJT + PK-GF + PK-GFU + PK-GMW

8462.0 kHz 9MR Malaysian Navy Johor Baharu, Malaysia
Shift is indeed 904 and not standard 850 Hz
Extremely bad FSK signal, as usual ...

13351.0 kHz ACARS H05 Auckland Air, New Zealand, + aircraft B-5966 + B-8870 + 9V-SMP
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

13351.0 kHz ACARS H05 Auckland Air, New Zealand, + aircraft B-18909 + N852GT
GC( )GC = Ground Connections

13351.0 kHz ACARS H05 Auckland Air, New Zealand, and aircraft B-2487 + B-8870 + B-18902 + N852GT
TORA = Take Off Run Available, here on YMML's 16
LDA = Landing Distance Available = treshold to treshold = TORA minus the treshold displacement (304 metres)

6652.0 kHz ACARS H16 Barrigada Air, Guam, + aircraft B-1065 + B-8358 + 9V-SGE
The MA-AFAS CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. by Honeywell here
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 each

6532.0 kHz ACARS H07 Shannon Air, Ireland, + aircraft HL8078 + JY-AYN + JY-AYS + JY-AYV + VQ-BTH + 5A-LAK

518.0 kHz VAE Canadian Coast Guard Tofino BC, Canada

518.0 kHz NMW United States Coast Guard Astoria OR, United States of America

5508.0 kHz ACARS H01 San Francisco Air CA, United States of America, + aircraft N251UP + N469AS + N855GT + RPC8786
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 each
The Waypoint Change Event is triggered by a change
made to the Next, or the Next-plus-one waypoint
This change normally occurs due to normal waypoint sequencing by the FMS
The Next or Next-plus-one waypoint can be either an ATS waypoint or a pilot inserted waypoint
The Figure Of Merit in the Basic Report describes the navigational accuracy
in a numerical code from 0 (worst accuracy) to 7 (best)

13276.0 kHz ACARS H04 Riverhead Air NY, United States of America, + aircraft N508DN + N510DN + N964AM

6535.0 kHz ACARS H06 Hat Yai Air, Thailand, + aircraft B-KQB + B-LIB + B-6532 + B-18907 + HL7741
The MA-AFAS CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. by Honeywell here
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 each
The Figure Of Merit in the Basic Report describes the navigational accuracy
in a numerical code from 0 (worst accuracy) to 7 (best)

10081.0 kHz ACARS H01 San Francisco Air CA, United States of America, + aircraft FX0400

7795.0 kHz JMH2 Tokyo Meteo, Japan

3585.0 kHz Soul Meteo, Korea (Democratic Republic of)

3585.0 kHz Soul Meteo, Korea (Democratic Republic of)

3585.0 kHz Soul Meteo, Korea (Democratic Republic of)

3585.0 kHz Soul Meteo, Korea (Democratic Republic of)

3585.0 kHz Soul Meteo, Korea (Democratic Republic of)

8569.8 kHz PWZ Brazilian Navy Rio de Janeiro, Brazil

518.0 kHz XSZ Dalian Radio, China

518.0 kHz JNL Otaru Radio, Japan

518.0 kHz JGC Yokohama Radio, Japan

518.0 kHz JNR Moji Radio, Japan

518.0 kHz UFL Vladivostok Radio, SE, Russian Federation

3154.1 kHz HMA Pyongyang Meteo, Korea (Communist Undemocratic)
Drifting between 3150 and 3158 kHz
Pretty fast machine CW
Later ... TEMPs (see page 312 in the AIR AND METEO CODE MANUAL)
from Russian Federation's Far East: 31004 Aldan, 31168 Ayan, 31300 Zeja, ...
(see page 415 in the AIR AND METEO CODE MANUAL)

13321.0 kHz ACARS H08 Johannesburg Air, South Africa (Republic of), + aircraft B-5967 + S7-SIL + ZS-SFH + ZS-SXB
For years, we've monitored only SAA -
and no buddy else in tenthousands of messages! -
regularly transmitting AMDARs
(decoding see Radio Data Code Manual page 271)
The MA-AFAS CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. by Honeywell here

6532.0 kHz ACARS H07 Shannon Air, Ireland, + aircraft A6-BLS + F-HPJI + N507DN + VT-JWT
The MA-AFAS CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. by Honeywell here

6532.0 kHz ACARS H07 Shannon Air, Ireland, + aircraft C-FGEI + CN-ROC + F-HPJI + 50004B + 9V-SMO
The MA-AFAS CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. by Honeywell here
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 each

6532.0 kHz ACARS H07 Shannon Air, Ireland, + aircraft EI-GGR + G-VWAG
The Altitude Range Change Event is triggered
when the aircraft's altitude exceeds the altitude ceiling
or floor defined in the contract by the ground system
The Figure Of Merit in the Basic Report describes the navigational accuracy
in a numerical code from 0 (worst accuracy) to 7 (best)
The MA-AFAS CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. by Honeywell here

5583.0 kHz ACARS H05 Auckland Air, New Zealand, + aircraft B-5967 + B-8870 + CC-BGB
The MA-AFAS CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. by Honeywell here

5514.0 kHz ACARS H02 Hoolehua Air, Molokai, Hawaii, + aircraft HL7623 + HL7211 + N507DN
The Figure Of Merit in the Basic Report describes the navigational accuracy
in a numerical code from 0 (worst accuracy) to 7 (best)

8927.0 kHz ACARS H16 Barrigada Air, Guam, + aircraft 9H-UEC
Universal Entertainment Corporation's VIP AIRBUS A318-112 CJ Elite ...
The Vertical Rate Change Event is triggered
when the aircraft's vertical rate is either less or greater
than a parameter defined in the contract

6446.0 kHz Digital data station, Japan

6320.3 kHz Digital data station

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

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

16806.5 kHz L2C Argentinian Coast Guard Buenos Aires, Argentina

6559.0 kHz ACARS H01 San Francisco Air CA, United States of America, + aircraft B-KPE + N606UP + 9V-SMB + 9V-SMH + 9V-SMI
The Figure Of Merit in the Basic Report describes the navigational accuracy
in a numerical code from 0 (worst accuracy) to 7 (best)
The MA-AFAS CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. by Honeywell here

6559.0 kHz ACARS H01 San Francisco Air CA, United States of America, + aircraft HL7633 + HL8078

4272.8 kHz FUJ French Navy Noumea, New Caledonia

6652.0 kHz ACARS H16 Barrigada Air, Guam, + aircraft B-2035

8927.0 kHz ACARS H16 Barrigada Air, Guam, + aircraft B-8632 + B-17881 + B-18917 + DQ-FJT + N356KD + PK-GFA
The MA-AFAS CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. by Honeywell here

5583.0 kHz ACARS H05 Auckland Air, New Zealand, + aircraft B-5925 + B-5968 + DQ-FJV + 9V-SGA + 9V-SML
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 MA-AFAS CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. by Honeywell here
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 each

4209.5 kHz XSV Tianjin Radio, China

4209.5 kHz XSG Shanghai Radio, China

4209.5 kHz XVN Nha Thrang Radio, Viet Nam

518.0 kHz Byunsan Radio, Korea (Democratic Republic of)

518.0 kHz VAJ Canadian Coast Guard Prince Rupert BC, Canada

518.0 kHz NOJ United States Coast Guard Kodiak, Alaska

8424.0 kHz SVO Olympia Radio, Athens, Greece

6532.0 kHz ACARS H07 Shannon Air, Ireland, + aircraft A6-BLJ + CN-RGE + OD-MRO + P4-MGU + UK67006

5030.3 kHz Digital data station

5508.0 kHz ACARS H01 San Francisco Air CA, United States of America, + aircraft B-8468 + HL7614 + N450PA + N631FE + RPC8763 + XA-AMR
The MA-AFAS CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. by Honeywell here

8416.5 kHz L2C Argentinian Coast Guard Buenos Aires, Argentina

3847.8 kHz Digital data station

4209.5 kHz TAH Istanbul Radio, Turkey
... via a Kiwi-SDR in ... Kiwi Country!

6712.0 kHz ACARS H03 Reykjavik Air, Iceland, + aircraft EI-GGP + VP-BAV + VP-BDC
The MA-AFAS CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. by Honeywell here

6712.0 kHz ACARS H03 Reykjavik Air, Iceland, + aircraft 7T-VJW

8834.0 kHz ACARS H08 Johannesburg Air, South Africa (Republic of), + aircraft ET-AVD + G-DHLE + 5Y-CYE + 9V-SMJ
The MA-AFAS CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. by Honeywell here
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 each

6450.0 kHz PWZ Brazilian Navy Rio de Janeiro, Brazil

8425.5 kHz XSG Shanghai Radio, China

10081.0 kHz ACARS H01 San Francisco Air CA, United States of America, + aircraft B-2737

10081.0 kHz ACARS H01 San Francisco Air CA, United States of America, + aircraft N529FE
ZFCG = Zero Fuel Centre of Gravity

10027.0 kHz ACARS H02 Hoolehua Air, Molokai, Hawaii, + aircraft B-18905 + HL7629 + N535AS + VN-A864
Since VN-A864 is currently enroute EDDF-VVNB, VANP maybe an ETOPS alternate
The MA-AFAS CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. by Honeywell here

10143.0 kHz KH6SP, Hawaii
Recreational Amateur Radio Station for Navy Sub Base Pearl Harbor
On air at the Joint Base Pearl Harbor - Wahiawa Annex

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

8912.0 kHz ACARS H04 Riverhead Air NY, United States of America, + aircraft N407KZ

16927.0 kHz UIW Kaliningrad Radio, Russian Federation

8424.0 kHz SVO Olympia Radio, Athens, Greece

518.0 kHz Hamburg Meteo, Germany

518.0 kHz PBK Netherlands Coast Guard Den Helder, Netherlands

5720.0 kHz ACARS H03 Reykjavik Air, Iceland, + aircraft B-5933 + B-5960 + G-VUFO + HL7611 + N783AM
The MA-AFAS CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. by Honeywell here

5720.0 kHz ACARS H03 Reykjavik Air, Iceland, + aircraft 9M-MSD

5720.0 kHz ACARS H03 Reykjavik Air, Iceland, + aircraft A6-EEL + JY-AYN + JY-AYR + JY-AYS + N855FD + VP-BFF + VP-BOC
The MA-AFAS CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. by Honeywell here

6535.0 kHz ACARS H06 Hat Yai Air, Thailand, + aircraft CSC829

8834.0 kHz ACARS H08 Johannesburg Air, South Africa (Republic of), + aircraft B-8870 + JY-AYV + 9M-MSD + 9V-SHA
The MA-AFAS CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. by Honeywell here

5514.0 kHz ACARS H02 Hoolehua Air, Molokai, Hawaii, + aircraft B-LGC + B-6505 + N557AS
The Waypoint Change Event is triggered by a change
made to the Next, or the Next-plus-one waypoint
This change normally occurs due to normal waypoint sequencing by the FMS
The Next or Next-plus-one waypoint can be either an ATS waypoint or a pilot inserted waypoint
The Figure Of Merit in the Basic Report describes the navigational accuracy
in a numerical code from 0 (worst accuracy) to 7 (best)

8416.5 kHz NMO United States Coast Guard Honolulu, Hawaii

14467.3 kHz DDH9 Hamburg Meteo, Germany

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

6652.0 kHz ACARS H16 Barrigada Air, Guam, + aircraft B-300V + B-8962 + HL8079 + N450PA + N782AM
The MA-AFAS CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. by Honeywell here

12579.0 kHz NMF United States Coast Guard Boston MA, United States of America

6565.0 kHz ACARS H02 Hoolehua Air, Molokai, Hawaii, + aircraft DQ-FJV + JA872A + N112FE
LTAET = Less Than All Engine Taxi
The MA-AFAS CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. by Honeywell here
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 each

5508.0 kHz ACARS H01 San Francisco Air CA, United States of America, + aircraft A7-ALZ + B-18901 + N573FE + N589FE
The MA-AFAS CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. by Honeywell here

5508.0 kHz ACARS H01 San Francisco Air CA, United States of America, + aircraft B300V + N454PA

8834.0 kHz ACARS H08 Johannesburg Air, South Africa (Republic of), + aircraft AP-BLD + S7-AMI + 5Y-CYB

518.0 kHz Hamilton Harbour Radio, Bermuda

518.0 kHz VCO Canadian Coast Guard Port Caledonia NS, Canada

6661.0 kHz ACARS H04 Riverhead Air NY, United States of America, + aircraft F-HPJA

6661.0 kHz ACARS H04 Riverhead Air NY, United States of America, + aircraft JJ8185

518.0 kHz Split Radio, Croatia

4296.8 kHz FUE French Navy Brest, France

3622.5 kHz JMH Tokyo Meteo, Japan

518.0 kHz HSA Bangkok Radio, Thailand

13270.0 kHz ACARS H06 Hat Yai Air, Thailand, + aircraft B-2090 + B-6635 + B-6906 + B-17881 + N857GT + PK-GFO + 9V-SKG
The MA-AFAS CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. by Honeywell here
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 each

10081.0 kHz ACARS H01 San Francisco Air CA, United States of America, + aircraft N205UW

6450.0 kHz PWZ Brazilian Navy Rio de Janeiro, Brazil

6450.0 kHz PWZ Brazilian Navy Rio de Janeiro, Brazil

8416.5 kHz L2C Argentinian Coast Guard Buenos Aires, Argentina

8416.5 kHz L2C Argentinian Coast Guard Buenos Aires, Argentina

8834.0 kHz ACARS H08 Johannesburg Air, South Africa (Republic of), + aircraft ZS-SNE + ZS-SXL
For years, we've monitored only SAA -
and no buddy else in tenthousands of messages! -
regularly transmitting AMDARs
(decoding see Radio Data Code Manual page 271)
The Waypoint Change Event is triggered by a change
made to the Next, or the Next-plus-one waypoint
This change normally occurs due to normal waypoint sequencing by the FMS
The Next or Next-plus-one waypoint can be either an ATS waypoint or a pilot inserted waypoint
The Figure Of Merit in the Basic Report describes the navigational accuracy
in a numerical code from 0 (worst accuracy) to 7 (best)

13044.3 kHz FUV French Navy Jibuti, Djibouti

10063.0 kHz ACARS H11 Panama City Air, Panama, + aircraft AVA256

11017.7 kHz Digital data station

8503.8 kHz NMG United States Coast Guard New Orleans LA, United States of America

6661.0 kHz ACARS H04 Riverhead Air NY, United States of America, + aircraft HL7207 + HL7643

518.0 kHz ESA Tallinn Radio, Estonia

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

5514.0 kHz ACARS H02 Hoolehua Air, Molokai, Hawaii, + aircraft B-1065 + JA11KZ + N453PA
The MA-AFAS CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. by Honeywell here

5514.0 kHz ACARS H02 Hoolehua Air, Molokai, Hawaii, + aircraft B-18902 + HL8081 + RPC8789
The MA-AFAS CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. by Honeywell here

5514.0 kHz ACARS H02 Hoolehua Air, Molokai, Hawaii, + aircraft N19951

13321.0 kHz ACARS H08 Johannesburg Air, South Africa (Republic of), + aircraft ZS-SJK + 5Y-CYC

11348.0 kHz ACARS H17 Telde Air, Canary Islands, + aircraft JY-AYN + N843FD + VT-IEN

11348.0 kHz ACARS H17 Telde Air, Canary Islands, + aircraft VP-BSW

518.0 kHz GCC Cullercoats Radio, United Kingdom

518.0 kHz IQM Mondolfo Radio, Italy

518.0 kHz TFX Siglufjördur Radio, Iceland

5529.0 kHz ACARS H09 Barrow Air, Alaska, + aircraft B-2486 + VQ-BBG
The Figure Of Merit in the Basic Report describes the navigational accuracy
in a numerical code from 0 (worst accuracy) to 7 (best)

8416.5 kHz NMO United States Coast Guard Honolulu, Hawaii

5514.0 kHz ACARS H02 Hoolehua Air, Molokai, Hawaii, + aircraft DQ-FJW + EC-MOM + N859FD + VQ-BRJ
The MA-AFAS CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. by Honeywell here

17919.0 kHz ACARS H16 Barrigada Air, Guam, + aircraft CSC855

17919.0 kHz ACARS H04 Riverhead Air NY, United States of America, + aircraft CC-CXD

8416.5 kHz NMF United States Coast Guard Boston MA, United States of America

518.0 kHz NMO United States Coast Guard Honolulu, Hawaii

6652.0 kHz ACARS H16 Barrigada Air, Guam, + aircraft A7-BGB + B-2099 + B-6088 + HL7633 + HL7634 + N643GT + N774SA + 9V-SME
The MA-AFAS CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. by Honeywell here

13152.0 ANPOPS Aeronautical Radio Incorporated Urgent Link Network Annapolis MD, United States of America, + 010MDR Aeronautical Radio Incorporated Urgent Link Network Marina del Rey CA, States of America

518.0 kHz NMA United States Coast Guard Miami FL, United States of America

8480.3 kHz FUF French Navy Fort de France, Martinique

4731.7 kHz MKL Royal Air Force London, United Kingdom

6565.0 kHz ACARS H02 Hoolehua Air, Molokai, Hawaii, + aircraft B-LGB + DQ-FJV + HL7578 + VP-BBY

12789.8 kHz NMG United States Coast Guard New Orleans LA, United States of America

12789.8 kHz NMG United States Coast Guard New Orleans LA, United States of America

12789.8 kHz NMG United States Coast Guard New Orleans LA, United States of America

12789.8 kHz NMG United States Coast Guard New Orleans LA, United States of America

8834.0 kHz ACARS H08 Johannesburg Air, South Africa (Republic of), + aircraft ACA035

8416.5 kHz VFF Canadian Coast Guard Iqaluit NUN, Canada

8416.5 kHz VFF Canadian Coast Guard Iqaluit NUN, Canada

10555.0 kHz VMW Wiluna Meteo WA, Australia

12613.0 kHz XSQ Guangzhou Radio, China

13351.0 kHz ACARS H05 Auckland Air, New Zealand, and aircraft CSH816

8948.0 kHz ACARS H17 Telde Air, Canary Islands, + aircraft A6-EIQ + G-POWK + JY-AYV + SU-GDX + VP-BWO + VQ-BTG + 5Y-KZH

518.0 kHz LGP Bodoe Radio, Norway

518.0 kHz A9M Hamala Radio, Bahrain

518.0 kHz SUZ Serapeum Radio, Egypt

3855.0 kHz DDH3 Hamburg Meteo, Germany

10093.0 kHz ACARS H09 Barrow Air, Alaska, + aircraft KAL233

10452.0 kHz Digital data station

518.0 kHz 9WW21 Miri Radio, Sarawak, Malaysia

2628.0 kHz VMC Charleville Meteo QLD, Australia

21997.0 kHz ACARS H13 Santa Cruz Air, Bolivia, + aircraft AVA933

4211.2 kHz (not on nominal 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,
it 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!!!

518.0 kHz UFO Kholmsk Radio, FE, Russian Federation

3622.5 kHz JMH Tokyo Meteo, Japan

2610.2 kHz FUO French Navy Toulon, France

4209.5 kHz SVH Iraklion Radio, Greece

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

5514.0 kHz ACARS H02 Hoolehua Air, Molokai, Hawaii, + aircraft B-14282 + DQ-FJV + DQ-FJW + HL7638
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 MA-AFAS CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. by Honeywell here

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

6376.0 kHz Digital data station

486.0 kHz XSG Shanghai Radio, China
Chinese teleprinter code after Latin alphabet header

8467.5 kHz 9MG Kyodo Tsushin Georgetown, Pinang Island, Malaysia

518.0 kHz VAU Canadian Coast Guard Chebogue NS, Canada

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

7880.0 kHz DDK3 Hamburg Meteo, Germany

12668.3 kHz FUG French Navy Saissac, France

518.0 kHz VBC Canadian Coast Guard Wiarton ONT, Canada

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

518.0 kHz UDN Novorossiysk Radio, Russian Federation

518.0 kHz 4XO Haifa Radio, Israel

518.0 kHz SVL Limnos Radio, Greece

8477.3 kHz FUX French Forces Le Port de la Riviere des Galets, Reunion

8125.0 kHz IDN Italian Navy Napoli, Italy

12858.8 kHz 6WW French Navy Dakar, Senegal

4215.0 kHz XSG Shanghai Radio, China
Characters in brackets denote the Latin alphabet
The four-figure groups without brackets
are Chinese ideographs - see page 48 ff. in our Radio Data Code Manual

10093.0 kHz ACARS H09 Barrow Air, Alaska, + aircraft N215HA

10093.0 kHz ACARS H09 Barrow Air, Alaska, + aircraft N215HA

6450.0 kHz PWZ Brazilian Navy Rio de Janeiro, Brazil

4209.5 kHz XVG Hai Phong Radio, Viet Nam

518.0 kHz PKX Jakarta Radio, Indonesia

14776.0 kHz FC6FEM Federal Emergency Management Agency Denton TX + FC0FEM Federal Emergency Management Agency Bothell WA + FR7FEM Federal Emergency Management Agency Kansas City MO + FR9FEM Federal Emergency Management Agency Oakland CA, United States of America

11156.5 kHz Digital data station

11156.5 kHz Digital data station

4904.9 kHz KVM70 Honolulu Meteo, Hawaii
Unscheduled frequency ...

12586.0 kHz UDK Murmansk Radio, Russian Federation

5785.0 kHz Guardia di Finanza maritime mobile stations, Italy

17069.5 kHz JJC Kyodo Tsushin Tokyo, Japan

518.0 kHz VBA Canadian Coast Guard Pass Lake ONT, Canada

518.0 kHz 9HD Valetta Radio, Malta

21955.0 kHz ACARS H17 Telde Air, Canary Islands, + aircraft RJA117

518.0 kHz XSI Sanya Radio, China

5195.0 kHz DRA5 Kiel, Germany

12579.0 kHz UAT Moscow Radio, Russian Federation

12579.0 kHz UAT Moscow Radio, Russian Federation

5100.0 kHz VMC Charleville Meteo QLD, Australia

8040.0 kHz GYA Royal Navy London, United Kingdom

7746.8 kHz TBB Turkish Navy Ankara, Turkey

518.0 kHz EAV Valencia Radio, Spain

8948.0 kHz ACARS H17 Telde Air, Canary Islands, + aircraft VQ-BTI

518.0 kHz SVK Kerkyra Radio, Greece

4244.0 kHz DAO Swisscom Maritime Communications Kiel Radio, Germany

6342.0 kHz RDL Commonwealth of Independent States Navy Vilyeyka, Belarus

518.0 kHz Hua-Lien Radio, Taiwan

518.0 kHz Gislovshammar Radio, Sweden

12695.5 kHz KFS San Francisco Air CA, United States of America

6365.0 kHz 7CB Indonesian Navy Belawan, Indonesia

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

518.0 kHz United States Coast Guard Savannah GA, United States of America

518.0 kHz VOK Canadian Coast Guard Cartwright NFLD, Canada

518.0 kHz OXF Simiutaq Radio, Greenland

518.0 kHz EAL Las Palmas Radio, Canary Islands

518.0 kHz LFO Oerlandet Radio, Norway

5720.0 kHz ACARS H03 Reykjavik Air, Iceland, + aircraft AVA933

11312.0 kHz ACARS H02 Hoolehua Air, Molokai, Hawaii, + aircraft UAE58E

3622.5 kHz JMH Tokyo Meteo, Japan

2474.0 kHz PBB Royal Netherlands Navy Den Helder, Netherlands

8459.0 kHz NOJ United States Coast Guard Kodiak, Alaska

13324.0 kHz ACARS H02 Hoolehua Air, Molokai, Hawaii, + aircraft B-LJD + B-5960 + N883FD + 5Y-KZC
The MA-AFAS CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. by Honeywell here
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 each

3247.4 kHz ZKLF Auckland Meteo, New Zealand

518.0 kHz NMN United States Coast Guard Norfolk VA, United States of America

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

518.0 kHz XSG Shanghai Radio, China

518.0 kHz El Dhaza'ir Radio, Algeria

2261.5 kHz RMP Commonwealth of Independent States Navy Kaliningrad, Russian Federation

13270.0 kHz ACARS H06 Hat Yai Air, Thailand, + aircraft A6-EIS + B-5939 + B-5968 + B-6519 + VN-A870
As if the Sulawesi disaster were not enough, Gunung Api Gamalama is exploding as well ...
The MA-AFAS CPDLC ADS-C message headers
- such as "UM130" - are defined e.g. by Honeywell here

16907.5 kHz JFA Funabashi Fisheries Radio, Japan

8422.0 kHz OSY Sailmail Radio, Brugge, Belgium

8422.0 kHz OSY Sailmail Radio, Brugge, Belgium

11090.0 kHz KVM70 Honolulu Meteo, Hawaii

518.0 kHz 9VG Singapore Radio, Singapore

8942.0 kHz ACARS H07 Shannon Air, Ireland, and aircraft CAL063

7880.0 kHz DDK3 Hamburg Meteo, Germany

490.0 kHz GNI Niton Radio, United Kingdom

490.0 kHz CTV Portuguese Navy Lisbon, Portugal

13303.0 kHz ACARS H17 Telde Air, Canary Islands, + aircraft CS-TKQ + EC-MMY

12745.5 kHz JJC Kyodo Tsushin Tokyo, Japan

17967.0 kHz ACARS H15 Muhurroq Air, Bahrain, + aircraft A6-EIK + HZ-AQK + JY-AYN + N961AM + VQ-BRJ
The Figure Of Merit in the Basic Report describes the navigational accuracy
in a numerical code from 0 (worst accuracy) to 7 (best)

10075.0 kHz ACARS H15 Muhurroq Air, Bahrain, + aircraft UAE91

10075.0 kHz ACARS H15 Muhurroq Air, Bahrain, + aircraft A6-EIX + SU-GEJ + TC-ETV + 5A-WLB

9216.7 kHz 99903 Ministry of Foreign Affairs Cairo, Egypt

9216.7 kHz 99903 Ministry of Foreign Affairs Cairo, Egypt

13315.0 kHz ACARS H13 Santa Cruz Air, Bolivia, + aircraft ET-AOQ

518.0 kHz Sandakan Radio, Sabah, Malaysia

8422.0 kHz OSY Sailmail Radio, Brugge, Belgium

21982.0 kHz ACARS H15 Muhurroq Air, Bahrain, + aircraft B-2048 + HL8078 + JY-AYS + RPC8763 + 5A-LAK

8473.0 kHz WLO Mobile Radio AL, United States of America

8473.0 kHz WLO Mobile Radio AL, United States of America

8473.0 kHz WLO Mobile Radio AL, United States of America

8473.0 kHz WLO Mobile Radio AL, United States of America

13315.0 kHz ACARS H13 Santa Cruz Air, Bolivia, + aircraft PR-OBL + XA-ADC + ZS-SXZ

12577.0 kHz 005741040 Hai Phong Rescue Coordination Centre, Viet Nam

6589.0 kHz ACARS H11 Panama City Air, Panama, + aircraft CC-CXH

6589.0 kHz ACARS H11 Panama City Air, Panama, + aircraft CC-CXH + HL7579

4233.0 kHz Fully automatic frequency step mode monitoring
with continuous classification of digital data signals
on a remote receiver abroad

13827.5 kHz NCS504 Shared Resources High Frequency Radio Program station using the Winlink 2000 protocol RMS = Radio Mail Service

3247.4 kHz ZKLF Auckland Meteo, New Zealand

8106.7 kHz SWA28 Athens Meteo, Greece

6667.5 kHz DZO Swiss Maritime Communications Manila Radio, Philippines

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 2019 edition of our Perseus Frequency Database
now shows utility stations' callsigns as well!

8454.8 kHz FUG French Navy Saissac, France
New 2019 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 2019 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

More than 16,000 (sixteen thousand!) fascinating screenshots are available on our unique Digital Data Decoder Screenshots USB Stick!