PSN-L Email List Message

Subject: Re: Clock drift ?
From: =?ISO-8859-1?Q?J=F3n_Fr=EDmann?= jonfr500@.........
Date: Tue, 30 Jan 2007 00:02:08 +0000

Hi Larry

This was a timeing problem. After I did restart the software and the
hardware the timeing for the events that did follow was correct. The
current p and s wave travel time model appears to work for Iceland, I am
using P_b.jb and S_b.jb files. For some reason WinSDR program did belive
it was still getting data from the gps antenna, even if the data was
wrong or not there at all and did create this time error. I unfortunaly
lost the log file, since WinSDR overwrites the log file when restarted,
insted of just writeing into it with diffrent time stamp.

Iceland doesn't have any such time radio signal source. I also don't
have the nessary setup on my WinSDR boards to connect it. The next radio
time source I have is located in England and that signal only works at
night. The computer clock is kept in sync with a ntp program, so that is
problay not the reason why the timeing data was wrong.

Jón Frímann


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