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Loggings => HF Mystery Signals => Topic started by: Matt_B on February 26, 2026, 0335 UTC

Title: UNID 7107 AM 0330 UTC 26 Feb 2026
Post by: Matt_B on February 26, 2026, 0335 UTC

Anybody know what this (https://www.dropbox.com/scl/fi/b9alym4hzj43syc52dcxy/UNID.mp3?rlkey=8ajm6c99gjclie9k1qgk8kugl&st=s0f5bn2w&dl=0) could be? I think I may have heard it before, but I'm not sure.

Title: Re: UNID 7107 AM 0330 UTC 26 Feb 2026
Post by: glellen21 on February 26, 2026, 0337 UTC

Sounds like some sort of digital selcall mode for operators