HFU HF Underground
Loggings => Other => Topic started by: R4002 on April 14, 2017, 0121 UTC
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Scanning the bands for freebanders, marine HF SSB traffic, pescadores, etc, I came across OTR on 6770 kHz AM (a nice surprise to see/hear them again) as well as a very strong but unmodulated carrier on 6780 kHz. I have checked several different receivers and they all have the carrier there. Tuning to 6780 kHz in AM mode quiets the receiver almost completely.
Not sure what this is, maybe a channel marker of some kind? As far as I can tell, there's absolutely no modulation, just a carrier right on 6780.0 kHz.