What program are you using to monitor it with and what does it say?

Joe

-----Original Message-----
From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On
Behalf Of Bob DeVarney W1ICW
Sent: Sunday, September 12, 2010 2:02 AM
To: w1...@myfairpoint.net; Discussion of precise time and frequency
measurement
Subject: [time-nuts] Trimble Thunderbolt off freq?




On 9/12/2010 3:00 AM, Bob DeVarney W1ICW wrote:
>  Anyone have problems with a Trimble Thunderbolt being off frequency?
> GPS has been locked for months, so it's not a GPS lock problem. I 
> compared it to another standard borrowed from work, and it appears to 
> be 22.0 HZ high.
> When I use this same standard as a reference for my HP 3586C Selective 
> Level Meter, it reads WWV on 15 MHZ as being 22 HZ high as well, so I 
> tend to believe the borrowed reference is accurate; not the Trimble.
>
> Is there a way in the Thunderbolt software to adjust the OCXO on freq?
> I did not see any hole on the side or top for a trim pot on the OCXO.
>
> Thanks,
>
> Bob W1ICW

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