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Author Topic: UNID 6963 AM 2334 UTC 4 MAR 2025 Sounded like a "busy" signal  (Read 1840 times)

Offline Robot Matrix

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Saw the carrier for a long time with nothing audible, but later picked up what sounded like a telephone busy signal. As soon as the tones stopped, the carrier dropped. No idea what this is.



Listen here:
http://www.sndup.net/m3pnw
« Last Edit: March 08, 2025, 0034 UTC by Robot Matrix »
eQSL: RobotMatrix@proton.me
NESDR Smart V5, Ham It Up upconverter v1.3, WEB-888 SDR, inverted L 20' up, and various other antennas to cover 1kHz-1+GHz. Unless otherwise noted, all signals or broadcasts are received at my QTH with my own gear.

 

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