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Re: LF: Re: DK7FC's 7th VLF kite experiment

from [Stefan Schäfer] [Permanent Link][Original]
To: [email protected]
Subject: Re: LF: Re: DK7FC's 7th VLF kite experiment
From: Stefan Schäfer <[email protected]>
Date: Sun, 10 Oct 2010 19:11:32 +0200
In-reply-to: <[email protected]>
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Wow, Thanks Peter!

How have you found that? By guessing? :-)

73, Stefan

Am 10.10.2010 16:13, schrieb pws:

Hi Stefan,

You wrote:

...
There is sometimes a trace arround 10,6 kHz which looks as a MSK signal
that cannot be there. I have observed the same line on my grabber. Do
you have an idea what can cause this trace on this QRG?
...

Signal from 2nd Nyquist domain folded back.
24 + (24 - 10.6) = 37.4 kHz ==>  NRK / Iceland at 37.5 kHz is very strong
here in Europe.

73 from Kiel,
Peter
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