We seek to understand and document all radio transmissions, legal and otherwise, as part of the radio listening hobby. We do not encourage any radio operations contrary to regulations. Always consult with the appropriate authorities if you have questions concerning what is permissible in your locale.

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Messages - ~SIGINT~

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1651
Latin American Pirate / Re: UNID 6935 AM 2348 UTC 12 APR 2023
« on: April 13, 2023, 0039 UTC »
00:39 UTC - The station appears to be back but still weak unreadable.


RSPduo | Wellbrook loop antenna

1652
00:06 UTC - Good readable with CCR;
00:26 UTC - Suddenly off.

Interesting interval signal between songs.


RSPduo | Wellbrook loop antenna

1653
Latin American Pirate / AD149 Radio 6934.9 AM 2348 UTC 12 APR 2023
« on: April 12, 2023, 2349 UTC »
UNID 6935.0 kHz AM 23:48 UTC 12 APR 2023

23:48 UTC - UNID with male announcer / radio program. Weak unreadable with fading. Actual frequency: 6934.9 kHz;
23:52 UTC - Some music playing;
23:55 UTC - Suddenly off the air.


RSPduo | Wellbrook loop antenna

1654
Utility / UNID Mil Air/Ground 11190 USB 2240 UTC 12 APR 2023
« on: April 12, 2023, 2328 UTC »
UNID Mil Air/Ground 11190.0 kHz USB 22:40 UTC 12 APR 2023

122240Z APR 2023 11190.0 kHz USB
22:40Z UNID air / ground communications (only received tail end of comms); appears to be Canadian military;
23:06Z Ground: "in contact with wing ops and close watch now";
23:06Z A/C: "closing watch at 23:05Z, out".


RSPduo | Wellbrook loop antenna

1655
Utility / Re: HFGCS General Log
« on: April 12, 2023, 2311 UTC »
121218Z APR 2023 11175.0 kHz USB
12:18Z REACH 5003 calling ANY STATION, ANY AIRCRAFT for radio check; no response;
12:20Z REACH 5003 calling ANY STATION, ANY AIRCRAFT for radio check; no response.

121249Z APR 2023 11175.0 kHz USB
12:49Z REACH 408 calling MAIN SAIL for radio check; no response;
12:50Z REACH 408 calling MAIN SAIL for radio check; no response.

121523Z APR 2023 11175.0 kHz USB
15:23Z WARLOCK 5 calling ANY STATION for radio check; no response.

1656
Peskies / UNID Peskies 11202 USB 2250 UTC 12 APR 2023
« on: April 12, 2023, 2302 UTC »
UNID 11202.0 kHz USB 22:50 UTC 12 APR 2023

22:50 UTC - Two UNID Peskies carrying on a conversation. Weak barely readable.


RSPduo | Wellbrook loop antenna

1657
20:42 UTC - Loud and clear with an S6 signal and music;
21:02 UTC - SSTV: "Crap, that's due tomorrow?";
21:07 UTC - Shifting down in frequency by 5 kHz to overcome the OTHR.


RSPduo | Wellbrook loop antenna

1658
China Radio International and Radio Kuwait 15110.0 kHz AM & DRM 14:20 UTC 12 APR 2023

14:20 UTC - China Radio International and Radio Kuwait duelling it out for the same frequency. China Radio International is transmitting in analog AM and Radio Kuwait is transmitting in DRM. Both are loud and clear.


RSPduo | Wellbrook loop antenna

1659
12:35 UTC - All India Radio, good readable again today.


RSPduo | Wellbrook loop antenna

1660
HFGCS Force Directional Message (FDM) and Emergency Action Message (EAM) Log

Daily call sign for 12 April 2023: BELL KITE (ground NCS), PRO BALL (airborne CP)

121233Z APR 2023
TO: ALL STATIONS
FROM: BELL KITE
6SJZQ6 // WVKJG TWSNR 2Q64K UDB2W HXOI

121253Z APR 2023
TO: ALL STATIONS
FROM: BELL KITE
FOR VICTOR FORCE
6SCZNX // 7C4RO L2YXI YVBUT B7BSD DLRU

121256Z APR 2023
TO: ALL STATIONS
FROM: BELL KITE
FOR VICTOR FORCE
6SCZNX // 7C4RO L2YXI YVBUT B7BSD DLRU

Note: The 12:56Z msg was only heard on 15016.0 kHz USB.

121454Z APR 2023
TO: ALL STATIONS
FROM: BELL KITE
FOR ROMEO FORCE
FOR VICTOR FORCE
6SZGDU // FJO3R V7JZ2 2G7CA L2XEV 3BTX

121458Z APR 2023
TO: ALL STATIONS
FROM: BELL KITE
FOR ROMEO FORCE
FOR VICTOR FORCE
6SZGDU // FJO3R V7JZ2 2G7CA L2XEV 3BTX

121529Z APR 2023
TO: ALL STATIONS
FROM: BELL KITE
FOR ROMEO FORCE
FOR VICTOR FORCE
6SC3DF // L5HBF VNN6J TFEEL SPBI6 ISTO

121532Z APR 2023
TO: ALL STATIONS
FROM: BELL KITE
FOR ROMEO FORCE
FOR VICTOR FORCE
6SC3DF // L5HBF VNN6J TFEEL SPBI6 ISTO

Note: The 15:32Z msg was only heard on 11175.0 kHz USB.

121717Z APR 2023 11175.0 kHz USB
17:17Z PRO BALL calling BELL KITE with request to enter the net followed by authentication challenge;
17:19Z PRO BALL entered the net at 17:19Z.

121747Z APR 2023
TO: ALL STATIONS
FROM: BELL KITE
FOR FOXTROT FORCE
FOR ROMEO FORCE
FOR VICTOR FORCE
6S6UJE // E4HCJ 7NEVW CBP2D BT3HE ZI5A

121801Z APR 2023
TO: ALL STATIONS
FROM: BELL KITE
FOR FOXTROT FORCE
FOR ROMEO FORCE
FOR VICTOR FORCE
6SOS2M // 47AK6 RDAPZ UTNUM TXYMH H5WH

121812Z APR 2023 11175.0 kHz USB
18:12Z PRO BALL calling BELL KITE; no response and checking out of the net in the blind;
18:13Z PRO BALL exited the net at 18:13Z.

122000Z APR 2023 11175.0 kHz USB
20:00Z This is BELL KITE standing by for traffic.

122018Z APR 2023
TO: ALL STATIONS
FROM: BELL KITE
FOR ROMEO FORCE
FOR VICTOR FORCE
6SP5KQ // 4BDPI CAIWU WI5HJ 6GIA6 TPMD

122031Z APR 2023
TO: ALL STATIONS
FROM: BELL KITE
FOR ROMEO FORCE
FOR VICTOR FORCE
6SWZMT // 7GVJL HDCEE R4CV2 FJG4O TF2S

122034Z APR 2023 11175.0 kHz USB
20:34Z This is BELL KITE standing by for traffic.

122253Z APR 2023
TO: ALL STATIONS
FROM: BELL KITE
FOR FOXTROT FORCE
6SDN3K // DISREGARD THIS MESSAGE, THIS IS BELL KITE OUT

Note: The 22:53Z msg was discarded due to errors in the preamble.

122254Z APR 2023
TO: ALL STATIONS
FROM: BELL KITE
FOR FOXTROT FORCE
6SDN3K // BDTME NLSV4 HK5W4 D7TJI K5NH

122315Z APR 2023
TO: ALL STATIONS
FROM: BELL KITE
FOR FOXTROT FORCE
6SLPBL // L42BD 4XA3X OFSBK IUJOI NPZJ

1661
SDR - Software Defined Radio / Re: Notch filter on KiwiSDR ?
« on: April 12, 2023, 0014 UTC »
I agree, notch filters are a significantly lacking feature. One could implement this externally on the local PC, either via software or hardware, but it is definitely not convenient.

SDRuno has 4 simultaneous and independent notch filters and they work very well. I use 2 of them regularly to notch out the mark and space of the RTTY signal which occasionally shows up on 11175.0 kHz.

1662
Shortwave Broadcast / Re: Radyo Pilipinas.
« on: April 12, 2023, 0006 UTC »
I have to agree with Paul and the EiBi files are available in various formats to accommodate a variety of receivers and applications. With the CSV file one can pretty much manipulate the schedule to accommodate any need.

There are also some EiBi viewer applications on the site such as EIBIview which is old but not bad once you figure out how to muddle your way around it and update the tables.

http://www.eibispace.de/

1663
HFGCS Force Directional Message (FDM) and Emergency Action Message (EAM) Log

Daily call sign for 11 April 2023: COTTER PIN (ground NCS)

1664
20:35 UTC 10 APR 2023 - Beacon transmitting the letter "D". Fair readable at an S4 level.


RSPduo | Wellbrook loop antenna

1665
Utility / Re: HFGCS General Log
« on: April 10, 2023, 1531 UTC »
101303Z APR 2023 11175.0 kHz USB
13:03Z REACH 9206 calling ANY STATION for radio check; response from Hickam;
13:04Z REACH 9206 switched to 4724.0 kHz USB for radio check;
13:07Z REACH 9206 calling ANY STATION for radio check on 11175.0 kHz USB; no response;

101436Z APR 2023 11175.0 kHz USB
14:36Z OTIS 81 requesting phone patch via MAIN SAIL (Andrews);
14:40Z Andrews requested QSY to 11059.0 kHz USB;
14:41Z Phone patch requested to commercial 000-000-0000;
14:44Z Andrews: "that phone number is out of service, do you have an alternate"; OTIS 81: no alternate number;
14:46Z End of request, no further assistance required.

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