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LF: Odd...

To: [email protected]
Subject: LF: Odd...
From: DK7FC <[email protected]>
Date: Mon, 26 May 2014 13:58:02 +0200
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Hi all,

Does someone have an explanation for this:
I just observed a something on my LF grabber: There are some traces in my LF wideband overview captures, e.g. https://dl.dropboxusercontent.com/u/19882028/MF/LFwide.jpg These periodic traces are Intermods coming from my local MF WSPR transmissions which do slightly overload the LF/MF antenna front end. One of these traces ( ~ 137.6 kHz) slowly disappears arround 4 UTC, so maybe it has to do with HGA22, so this is not unusual. However the other one, arround 136.3 kHz disappeared instantly arround 9:30 UTC. DCF, HGA and my own WSPR transmission is still on air though.

I can't explain the sudden loss of that trace. Does someone have an idea?

73, Stefan/DK7FC


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