[time-nuts] Dimension 4 and GPS time disagree, why?
Chris Wilson
chris at chriswilson.tv
Tue Jun 12 11:28:15 UTC 2012
> I run Dimension 4 as a time standard on my POC's, mainly for using
> JT65 digital radio communications. It polls tick.usno.navy.mil for the
> time. I have noticed since getting my ThunderBolt set up that the GPS
> time is about 15 seconds in advance of my PC clock, despite a
> correction via Dimension 4 immediately before checking the difference.
> Why is that please? Thanks.
> --
> Best Regards,
> Chris Wilson.
> ________________________________________
> Chris, you do know that GPS time and UTC are offset because of accumulated
> leap seconds?
> http://tycho.usno.navy.mil/gpstt.html
> 73,
> David GM8ARV
12/06/2012 12:27
I do now! :) Thanks for that and the replies by e-mail. I have tried
setting the ThunderBolt to UTC and now the results agree perfectly.
Thanks David!
--
Best Regards,
Chris Wilson.
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