HFU HF Underground
Loggings => HF Mystery Signals => Topic started by: Matt_B on September 15, 2017, 0220 UTC
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Hearing a signal on 5250 khz into a SDR out of Sedona, AZ. Steady "pip" like sound....could this be a time signal station? No announcements that I can hear. Signal strength is about an S5 - S6.