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Shortwave Pirate Radio In North America And Around The World, And Other Signals That Go Bump In The Night
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.
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HF Mystery Signals / MOVED: UNID (Volmet?) 17326 USB 2014 UTC 11 OCT 2023
« on: October 21, 2023, 2246 UTC »4
HF Mystery Signals / MOVED: UNID voice 8868 USB 0306 UTC 19 Aug 2023
« on: September 21, 2023, 1426 UTC »5
HF Mystery Signals / MOVED: UNID 4868.5 USB 1948 UTC 26 Aug 2023
« on: September 21, 2023, 1426 UTC »6
HF Mystery Signals / MOVED: "exercise" stn, 8058.5 USB 2354 UTC 29 Aug 2023
« on: September 21, 2023, 1426 UTC »8
Utility / Civilian aircraft on 11175 kHz USB, twice
« on: April 16, 2023, 0128 UTC »
Heard something on the HF-GCS network today that I don't think I have heard before. Two different regularly scheduled United Airlines flight, at different times, requested a radio check on 11175 kHz, and both times got a response from West Coast.
At about 2218 UTC on April 15, 2023, United 1948 requested a radio check from Mainsail on 11175 kHz. "Mainsail, Mainsail, United 1948 radio check on 11175 kHz". This was sent twice, two different transmissions. The response after the second transmission was "Last caller, last caller, this is West Coast, West Coast, please say again last, over". From United 1948 "I've got you loud and clear, I was just trying a radio check, I might try one more frequency also". From West Coast "Lima Charlie on triple one seven five, over". From United 1948 "thank you for that".
A few seconds later, from United 1948, "West Coast, West Coast, United Nineteen-Fortyeight on triple one seventy five". Form West Coast "Last caller, last caller, this is West Coast, have you Lima Charlie, over". From United 1948 "United 1948 has you Lima Charlie, thank you very much for the checks".
Checking flight schedules, at that time United 1948 was en route and a couple of hours out from Cancun to San Francisco.
Shortly after this set of transmissions I heard United 1948 working San Fran on 11282 kHz USB.
At about 0042 UTC on April 16, 2023, about 2 and a half hours later, United 519 requested a radio check. This time I really could not make out much of United 519's traffic, but I heard all of the HF-GCS (West Coast) response. From West Coast "Last caller, last caller, this is West Coast, please say again last, over". From West Coast "United 519 this is West Coast, I have you Lima Charlie, over". A bit later, from West Coast "Last caller, last caller, I have you Lima Charlie, over". From West Coast "Untied 519 this is West Coast, I have you Lima Charlie, over".
Again checking the flight schedules, at that time United 519 was en route from Washington and a couple of hours out of San Francisco.
T!
At about 2218 UTC on April 15, 2023, United 1948 requested a radio check from Mainsail on 11175 kHz. "Mainsail, Mainsail, United 1948 radio check on 11175 kHz". This was sent twice, two different transmissions. The response after the second transmission was "Last caller, last caller, this is West Coast, West Coast, please say again last, over". From United 1948 "I've got you loud and clear, I was just trying a radio check, I might try one more frequency also". From West Coast "Lima Charlie on triple one seven five, over". From United 1948 "thank you for that".
A few seconds later, from United 1948, "West Coast, West Coast, United Nineteen-Fortyeight on triple one seventy five". Form West Coast "Last caller, last caller, this is West Coast, have you Lima Charlie, over". From United 1948 "United 1948 has you Lima Charlie, thank you very much for the checks".
Checking flight schedules, at that time United 1948 was en route and a couple of hours out from Cancun to San Francisco.
Shortly after this set of transmissions I heard United 1948 working San Fran on 11282 kHz USB.
At about 0042 UTC on April 16, 2023, about 2 and a half hours later, United 519 requested a radio check. This time I really could not make out much of United 519's traffic, but I heard all of the HF-GCS (West Coast) response. From West Coast "Last caller, last caller, this is West Coast, please say again last, over". From West Coast "United 519 this is West Coast, I have you Lima Charlie, over". A bit later, from West Coast "Last caller, last caller, I have you Lima Charlie, over". From West Coast "Untied 519 this is West Coast, I have you Lima Charlie, over".
Again checking the flight schedules, at that time United 519 was en route from Washington and a couple of hours out of San Francisco.
T!
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HF Mystery Signals / MOVED: Unid 7720 AM 1955 utc 04 Apr 2023
« on: April 10, 2023, 1902 UTC »
This topic has been moved to Shortwave Broadcast.
https://www.hfunderground.com/board/index.php?topic=112193.0
https://www.hfunderground.com/board/index.php?topic=112193.0
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HF Mystery Signals / MOVED: "0 0 0" Beacon, 5345 CW 1640 UTC 14 DEC 2022
« on: December 15, 2022, 2156 UTC »
This topic has been moved to Spy Numbers.
https://www.hfunderground.com/board/index.php?topic=106780.0
https://www.hfunderground.com/board/index.php?topic=106780.0
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Spy Numbers / MOVED: UNID Numbers 6952 USB 1500 UTC 01 DEC 2022
« on: December 05, 2022, 2218 UTC »
This topic has been moved to North American Shortwave Pirate.
https://www.hfunderground.com/board/index.php?topic=106143.0
https://www.hfunderground.com/board/index.php?topic=106143.0
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HF Mystery Signals / MOVED: UNID 17789 AM 1449 UTC 24 October 2022
« on: October 25, 2022, 1205 UTC »
This topic has been moved to Shortwave Broadcast.
https://www.hfunderground.com/board/index.php?topic=103741.0
https://www.hfunderground.com/board/index.php?topic=103741.0
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North American Shortwave Pirate / KMUD 6935 AM 0255 UTC 17 April 2022
« on: April 17, 2022, 0305 UTC »
KMUD on 6935 AM, with CW and voice ID, starting at about 0255 UTC, 17 April, 2022.
S8 here (edit, 10 over S9 on the right antenna).
T!
(edit) at about 0346 UTC KMUD took a big dive, from 10+ over S9 to S4 or less in about 60 seconds. At the same time 6930 USB came up in signal. Looks like a major band condition change at that time.
S8 here (edit, 10 over S9 on the right antenna).
T!
(edit) at about 0346 UTC KMUD took a big dive, from 10+ over S9 to S4 or less in about 60 seconds. At the same time 6930 USB came up in signal. Looks like a major band condition change at that time.
