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Author Topic: UNID signal / transmission on 6329 kHz shortwave 1720 UTC, March 30, 2018  (Read 616 times)

Offline ralf_bender

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can't find any information for this form of transmission:

Does somebody know what/who it is?


Offline Token

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This is PACTOR IV digital modem, the sweeping sounds are its 2 tone chirp mode.  As to who it is it might help to know the general area the receiver you were using is in to narrow it down a bit.

Mojave Desert, California USA