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Re: LF: strange "duplication" of DK7FC WSPR spots

from [Stefan Schäfer] [Permanent Link][Original]
To: [email protected]
Subject: Re: LF: strange "duplication" of DK7FC WSPR spots
From: Stefan Schäfer <[email protected]>
Date: Tue, 20 Nov 2012 23:26:37 +0100
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Hi Mauro,
Oh, good question. A difference of 27 Hz, odd. I have no idea. Other stations, including me, must observe the same.
We could do the following test: I move my QRG by 5 Hz and then we will see if the offset is still the same or if it becomes 10 Hz more or less... 

73, Stefan

Am 20.11.2012 22:58, schrieb IK1WVQ Mauro:

Hi to all,

I see this strange behaviour of the DK7FC WSPR spots:

2136 -24  6.5   0.475614  0 DK7FC JN49 30
2136   1  6.5   0.475641  0 DK7FC JN49 30
2142 -27  6.5   0.475614  0 DK7FC JN49 30
2142   0  6.5   0.475641  0 DK7FC JN49 30
2148 -28  6.5   0.475614  0 DK7FC JN49 30
2148  -2  6.5   0.475641  0 DK7FC JN49 30
At each time slot I receive 2 spots, one strong (0 dB), and the other weak (-27dB) .. 

Is this an artifact of my receiver (RACALL 1792, ant. PA0RDT) ???

73 de Mauro IK1WVQ
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