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Re: [LW] XGJ Freq Shift?

To: [email protected], "LW Wave" <[email protected]>
Subject: Re: [LW] XGJ Freq Shift?
From: Warren K2ORS/WD2XGJ <[email protected]>
Date: Thu, 27 Oct 2005 13:29:55 +0000
Cc: "Gary - G4WGT" <[email protected]>, "LF (Rsgb LF Group)" <[email protected]>
Delivery-date: Thu, 27 Oct 2005 14:37:41 +0100
Envelope-to: [email protected]
Reply-to: [email protected]
Sender: [email protected]
Hi Gary,
   Thanks for the capture. Conditions have been pretty good lately.
I'm aware of the drift. The dds synthesizer that I built uses a reference 
oscillator that is not temperature compensated. When I'm down in the basement 
radio shack/workshop I turn up the heat and the frequency drifts downward. When 
I'm done for the night I turn the heat back down and the frequency will drift 
upward. Sometimes I will 'manually correct' the frequency so I don't run into 
XES (1/2 Hz or less lower).
 Perhaps I could publish a chart on my web site that shows the  temperature in 
the shack as a function of XGJ frequency :-)

--
73 Warren K2ORS/WD2XGJ
FN42hi
http://www.w4dex.com/wd2xgj.htm


Hi All,

I seem to have recorded a slight shift in frequency on Warrens XGJ signal,
it occurred about 0045z (27/10/05) & moved back at about 0345z, the other
signals (XKO, NA & Loran lines) show no shift. Are you aware of this Warren?
& did anyone else see the shift? See attachment, its vertical so you can see
the comparison, the time line on right is 0100z.

Regards,

Gary - G4WGT - IO83qp

Web : http://myweb.tiscali.co.uk/wgtaylor



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