HFU HF Underground
Loggings => Shortwave Broadcast => Topic started by: Paul B. Walker, Jr. on July 25, 2021, 0730 UTC
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About 0710 UTC Sun July 24 I heard some tones on 15140khz from my Alaska QTH that could be best described as a hearing test.. you know, tones that change in pitch and length? Thats what these sounded like.. the same set would play about once a minute.. taking .. maybe 15 t o 20 seconds to complete a set.
Paul