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LF: Unid beacon on 136172.65

To: [email protected]
Subject: LF: Unid beacon on 136172.65
From: Markus Vester <[email protected]>
Date: Sun, 12 Aug 2012 04:01:51 -0400 (EDT)
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Sender: [email protected]
Last night I noticed an unidentified repetetive transmission in the Eu slot
 
Center frequency 136172.65 Hz, bandwidth about 0.15 Hz, fieldstrength about 0.5 uV/m in 28 mHz FFT, 16 minute duration, 20.5 minute repeats, DOA north or northwest, active from 17:18 yesterday to 5:49 this morning. It was visible on other grabbers as well.
 
Might have been Opera-16, if not for the unusual QRG, incoherent keying, and the apparent decay of average power towards the end.
 
Just being curious...
 
Best 73,
Mrkus (DF6NM)

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