HFU HF Underground
Loggings => Other => Topic started by: Todd KC0IVX on February 02, 2022, 0019 UTC
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Strange buzz-hum: About 12 seconds on and 17 seconds off continuously repeating. Two tones, one low and one mid tone, aharmonic. A kind of grinding sound similar to a low frequency buzz saw or a slow tooth drill or wind blowing through an underground tunnel (spooky). Heard on my Tecsun S-2000 in Colorado with its internal antenna. Exterior antenna did not improve sound. On USB and LSB the the sound had a higher tonality but not substantially improved. Will try to get an audio of it, if it continues.
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0024 - Here too. That is weird. Kinda sounds like a slowed down FT8. Sorta. The shifting tones.
Cthulhu...breathing.
https://www.dropbox.com/s/s4rckodyp2ih83h/SDRuno_20220201_0030utc_10138000HZ.wav?dl=0
Probably something FT8 like. Or mind-control tones. Something like that.
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The sound has definitely changed from yesterday: less null, more tones. It has 4-5 tones not two together.
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15: 14 UTC 02 FEB 2022 - This is the 30 metre FT8 portion of the Amateur band. Technically, you should be tuning to 10136.0 kHz USB and can use software such as WSJT-X to decode. I do not hear anything abnormal in my location.
RSPduo | Barker & Williamson antenna | Toronto, Ontario Canada