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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Topics - Radio_El_Es

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HF Mystery Signals / Unusual Signals
« on: June 19, 2022, 1756 UTC »
Does anyone have any idea what these signals are (see attached)?  It's very wide-banded and on some SDRs it shows up as "dots".  On the KiwiSdr it shows as red pulses on the spectrum.  Listening to it they have a distinct pulse.  It's not local QRM as it is periodically showing up on multiple SDRs both online and by private users.  This was the subject of "OfficialSWLChannel"'s live stream last night.  It's very curious.  Here's a link to the screenshot:  https://app.box.com/s/59nx4a942d6yjslpuzehl7gnu5f76mku  73


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