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Re: LF: OM1II loud

To: [email protected]
Subject: Re: LF: OM1II loud
From: Stefan Schäfer <[email protected]>
Date: Sun, 04 Nov 2012 01:49:29 +0100
In-reply-to: <[email protected]>
References: <00a701cdb9f4$3da16ac0$0501a8c0@xphd97xgq27nyf> <00c301cdb9f5$81dc7fd0$0501a8c0@xphd97xgq27nyf> <D9318030DF9D4BC6A88777911BAEB63E@SV8CSHP> <[email protected]> <8B6DF9B1D2684ACD8ADBD10ABB0002E6@SV8CSHP> <[email protected]> <[email protected]>
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Hi Wolf,

We have some magic experts in the group which can find any relation how the signal could be generated! Just let them spend some minutes to run their brain on that issue :-)

Here the trace is gone as well. I can see QRB on the trace, typical for MF. That makes a local origin more unlikely.

Yes, i'm interested in the picture.

73, GN, Stefan

Am 04.11.2012 01:28, schrieb wolf_dl4yhf:


Am 03.11.2012 22:07, schrieb Stefan Schäfer:
Lubos,

I can hear OM1II on 472.5 again. But there is the QRM trace which is stronger in the evening. I don't think it is local.

Zigactly. I have that carrier on 472.5 too, since a couple of months, but these days it's very audible and annoying. I tried to find an ID (modulation sideband) symmetrically around that carrier, but didn't find anything related to that frequency.

The SV beacon was sometimes audible here, and even on Joe's frequency (504.1 kHz) there was a sometimes audible signal. But suspiciously the signal was switched off at 23:00 UTC, so I guess it was something else. The signal looked like a carrier, some seconds long, interrupted at regular intervals by a CW ID (which I couldn't read by ear). I have a screenshot of a spectrogram on the 'portable' computer if anyone is interested.


All the best,
  Wolf .



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