Re: LF: Re: U.S. VLF License WH2XBA

[Paul Nicholson <vlf0403@abelian.org>]

> Here's what he's sending ... http://www.w1vd.com/grabber.html

Thanks Jay.

Later I will make a spectrogram (the signal is recorded) but I
don't think I will be able to resolve the Morse.

I am happy that the tx preserves carrier phase in between dots
otherwise it would not be possible to do long integration.

The carrier stability is excellent and the little apparent
error in the frequency can be blamed on the path length varying
during the night.   tx must be using rubidium or GPS.

Signal level should drop soon as dawn arrives here in UK and
we may see the phase lead increase as the path shortens
for the daytime ionosphere.

 2014-03-02_05:15:00  0.14 fT   12.3 deg
 2014-03-02_05:30:00  0.15 fT   13.1 deg
 2014-03-02_05:45:00  0.12 fT    3.2 deg

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Paul Nicholson
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