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[HCDX] update on the MHz 'FDM liek beacon'
Sample of this FDM like 'beacon' can be heard in this audio:
http://www.ipernity.com/doc/zliangas/14722975
with samples from 17 - 15-16 mHz in sequence in one recording first in AM mode then in SSB mode using DE1103 connected a SW magnetic loop and recorded into a Creative Zen mp3 player . DTMF tones separate the three recordings
Today I have checked a little more this "MHz beacon" chain and found that this beacon can be found on every 200 kHz starting from ca 3MHz to at least 30 MHz .Stronger carriers can be heard between 7 and 17 mHz . Transmissions stop on 1600 or 1700
If anyone knows something or can listen to it more please let me know
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