HFU HF Underground
Loggings => Other => Topic started by: Sealord on December 05, 2012, 1331 UTC
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Never heard this type of jamming signal before - the broadcast station sounds Asian so I'm guessing China is running the jammer against it?
Audio (11:29z-11:30z): http://archive.org/download/ShortwaveOddsSodsTransmissions/SirenJammer9855Am1129z-1130z12-05-12.mp3
You can actually hear the 'siren' loop from 00:10-01:19 on the mp3
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Or N. Korea.
They be paranoid there.
Peace!
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It's some sort of religious broadcast that they're trying to jam because the station is playing "The Old Rugged Cross." The Chinese Firedrake would do a much better job at obliterating the signal, so I'm guessing the station is trying to reach Vietnam, Laos, or North Korea; I know that Vietnam and North Korea have jammed signals before.
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The Siren Jammer is most frequently used by Vietnam, they also have a couple of other jammer types but the Siren seems their favorite. And, since the station scheduled in that time/freq/day slot is the Far East Broadcasting Company, the FEBC is a religious broadcaster, and the program language at that time is Vietnamese, I am going to say the most likely canididate for source of the jammer is Vietnam.
T!