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Re: [TenTec] Corsair II Frequency Drift

To: tentec@contesting.com
Subject: Re: [TenTec] Corsair II Frequency Drift
From: "Dr. Gerald N. Johnson" <geraldj@weather.net>
Reply-to: geraldj@weather.net, Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Fri, 16 Jul 2010 22:46:32 -0500
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
If the counter shows that change, its the PTO. Likely a failure of 
voltage regulation. Which might be caused by dirty or loose connections 
on the power connector or something internal. I don't have my Corsair II 
manual handy to look up the circuit.

73, Jerry, K0CQ

On 7/16/2010 9:46 PM, Steve Berg wrote:
> Tonight while enjoying a nice CW ragchew, the other OM told me that my
> rig was changing frequency about 100 HZ when keyed.  I have never been
> told this before, so I experimented a bit, and it looks like that
> happens according to the display.  The counter shows an increase in
> frequency when keyed of about that amount.  It seems to do it with both
> the internal PTO and the external VFO.  I have checked, and the offset
> is switched off.  Does anyone have an idea of what is happening here?
> 73,
> Steve WA9JML
> _
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