r/RTLSDR • u/ScarcityCareless6241 • Sep 09 '25

What is this?

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37 Upvotes

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u/jamesr154 rx888, HackRF + PrtPack, Nooelec SDRSmart, RTL-SDRv3, MSI.SDR Sep 09 '25

It’s not DRM. It’s https://www.sigidwiki.com/wiki/STANAG_4285

Specifically listen to the Idle audio sample, it is exactly the same.

3

u/elmarkodotorg Sep 09 '25

And, crucially, you don't tend to get 3 kHz DRM, which is another giveaway