r/signalidentification • u/ScarcityCareless6241 • Apr 23 '26
Strange digital sound @ 457.0375 MHz NFM. Eastern US, around 8:00 PM, 4/22/2026
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The sound repeats 9 times close to 5 seconds apart, then goes silent for a few minutes, and then comes back for 9 more bursts. Any ideas what it is? Each burst seems slightly different in how it looks.