HFU HF Underground

Loggings => HF Mystery Signals => Topic started by: ~SIGINT~ on September 28, 2022, 2325 UTC

Title: UNID 6972.8 (tune) FSK 2320 UTC 28 SEP 2022
Post by: ~SIGINT~ on September 28, 2022, 2325 UTC

UNID 6972.8 kHz (tune) FSK 23:20 UTC 28 SEP 2022

23:20 UTC - Very weak unreadable FSK signal; 2125 mark / 170 shift and what sounds like 100 baud;
23:26 UTC - End of message block.

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RSPduo | End-fed longwire antenna

Title: Re: UNID 6972.8 (tune) FSK 2320 UTC 28 SEP 2022
Post by: ~SIGINT~ on October 01, 2022, 0257 UTC

02:45 UTC 01 OCT 2022 - Found the same or similar UNID on 6945.8 kHz FSK, 2125 mark / 170 shif, this evening. Still no decode.

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RSPduo | End-fed longwire antenna

Title: Re: UNID 6972.8 (tune) FSK 2320 UTC 28 SEP 2022
Post by: Pigmeat on October 07, 2022, 2107 UTC

Thanks for the info. I've always wondered what those noises were? I don't know much about the digital modes.