We seek to understand and document all radio transmissions, legal and otherwise, as part of the radio listening hobby. We do not encourage any radio operations contrary to regulations. Always consult with the appropriate authorities if you have questions concerning what is permissible in your locale.

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Author Topic: Two Tone Beeps  (Read 1707 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.
Logged
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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