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Author Topic: Two Tone Beeps  (Read 1329 times)

Offline swl22

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Two Tone Beeps
« on: July 01, 2023, 2201 UTC »
Hearing two tone beeps on 9804 khz USB at 2150 hours. Plays for 30 seconds followed by 10 seconds on silence. Then repeats.
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Radio:Tecsun PL680, PL990x, PL368, Sangean ATS 909, XHData D-219, XHDATA D-368, SDRPlay RSP1A, Grundig YB400PE, Sangean ATS803-A
Antenna: MLA 30 Plus Loop Antenna (two of these)
Location:West Coast of Florida USA
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