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 _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.