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Re: LF: DK7FC's 2nd VLF TX test...

To: <[email protected]>
Subject: Re: LF: DK7FC's 2nd VLF TX test...
From: "James Moritz" <[email protected]>
Date: Mon, 15 Mar 2010 20:43:21 -0000
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Dear Stefan, Paul, Markus, LF Group,

Congratulations on an excellent achievement!

I actually left my RX running this afternoon, but there is no identifiable signal in the spectrograms, unfortunately. Along with mains noise lines with 50Hz spacing, there are a number of groups of spectral lines, spaced several Hz apart, that drift around in frequency. I have no idea what these are, but had I been using a very high resolution FFT , these would have been blurred out and added to the background noise considerably. So next time tests occur, I will try to operate the receiver in a quieter /P location.

Cheers, Jim Moritz
73 de M0BMU



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