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Date: Fri, 27 Dec 2013 22:50:32 +0100
From: =?ISO-8859-1?Q?Stefan_Sch=E4fer?= <Stefan.Schaefer@iup.uni-heidelberg.de>
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Subject: Re: VLF: QRM?
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Hi Jim,

Am 27.12.2013 19:30, schrieb hvanesce:
>
> [...] but I do not know the offset of my sound card clock; my sound 
> card clock and my low-accuracy reference clock differ by 0.3Hz (+/- 
> 1mHz over short and long time intervals), so until install an accurate 
> clock I can only guess that my clock offset could be +/-1Hz or so. 
> Accordingly the center frequency of the signal shown here could be +/- 
> 1Hz or so from the indicated 8972.81
This question can be answered by tracking the signal on 11904.76190 Hz 
which came back, today 14:30 UTC.
>
> Is it most likely that the signal in the attached is QRM?
>
R, CFM.

73, Stefan/DK7FC

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Hi Jim, <br>
<br>
Am 27.12.2013 19:30, schrieb hvanesce:
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[...] but I do not know the offset of my sound card clock; my sound
card clock and my low-accuracy reference clock differ by 0.3Hz (+/-
1mHz over short and long time intervals), so until install an accurate
clock I can only guess that my clock offset could be +/-1Hz or so.
Accordingly the center frequency of the signal shown here could be +/-
1Hz or so from the indicated 8972.81</div>
</blockquote>
This question can be answered by tracking the signal on 11904.76190 Hz
which came back, today 14:30 UTC.<br>
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  <p class="MsoNormal">Is it most likely that the signal in the
attached is QRM?</p>
  </div>
</blockquote>
R, CFM. <br>
<br>
73, Stefan/DK7FC<br>
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