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Re: VLF: Local VLF tests...

To: <rsgb_lf_g[email protected]>
Subject: Re: VLF: Local VLF tests...
From: "Markus Vester" <[email protected]>
Date: Sun, 8 Apr 2012 14:37:44 +0200
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Hi Eddie, Stefan,
 
this looks interesting. Accounting for your grabber timescale being an hour ahead of UT, your right dash is centered approximately at 6:30 UT. This would indeed coincide with the first dash of the blue "7" on Stefan's 6000-RDF on his second grabber.
 
However the frequency relative to the 8969.98 tick seem to be different by about 4 pixels. Stefan apparently transmitted on 8969.9815, and your dash is on 8969.9832 Hz. Assuming both were instances are samplerate locked, this disproves a possible detection.
 
Best 73 and happy Easter,
 
Markus (DF6NM)

From: qrss
Sent: Sunday, April 08, 2012 11:49 AM
Subject: Re: VLF: Local VLF tests...

Stefan

There is a common start / finish minute on the dots in the
att.capture.HH.m3 to the best of my measurement ability, they certainly
coincide with your TX periods.

73 Eddie G3ZJO

Grabber:- http://g3zjo.bplaced.net/index.htm

Also :- http://www.g3zjo.talktalk.net/vlfgrabber.htm
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