HFU HF Underground

Loggings => HF Beacons => Topic started by: Teotwaki on December 18, 2016, 1726 UTC

Title: 6930.340 KHz
Post by: Teotwaki on December 18, 2016, 1726 UTC: I was tuning around for pirate broadcasts and ran across this oddity. Beeps are irregular. Unsure if it has a pattern that repeats. About 20 dB over the noise
Title: Re: 6930.340 KHz
Post by: Teotwaki on December 18, 2016, 1738 UTC: Maybe this is all local RFI.

On 6917.760 there is a signal with an inverse pattern. With one radio on each frequency I can hear that one transmitter is on while the other is off.
Title: Re: 6930.340 KHz
Post by: Josh on December 18, 2016, 1741 UTC: Lol wideband fsk.
Title: Re: 6930.340 KHz
Post by: Teotwaki on December 19, 2016, 1419 UTC: Quote from: Josh on December 18, 2016, 1741 UTC
Lol wideband fsk.

You never know since it could be just weird enough to happen on the radio waves. ;D
Title: Re: 6930.340 KHz
Post by: syfr on December 20, 2016, 1924 UTC: Thanks for these posts Jim...! I wish I heard 10% of them from out here on the eastcoast
Title: Re: 6930.340 KHz
Post by: Teotwaki on December 21, 2016, 0603 UTC: Quote from: syfr on December 20, 2016, 1924 UTC
Thanks for these posts Jim...! I wish I heard 10% of them from out here on the eastcoast

You are welcome! Likewise I wish I could easily hear what you guys to the east get to monitor ;D
Title: Re: 6930.340 KHz
Post by: Josh on December 21, 2016, 1916 UTC: Quote from: Teotwaki on December 19, 2016, 1419 UTC
Quote from: Josh on December 18, 2016, 1741 UTC
Lol wideband fsk.

You never know since it could be just weird enough to happen on the radio waves. ;D

The Russians did this in the 40s (as I recall) from an embassy in dc and some other stateside location for sending surreptitious signals back to the motherland. The g men of the fcc rid busted them.