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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