To: | [email protected] |
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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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