[time-nuts] Re: Some GPS performance plots

Tom Van Baak tvb at leapsecond.com
Fri Nov 5 16:52:50 EST 2004


> As Tom suggested, I've put a couple more charts up showing changes in 
> the sawtooth pitch over a 1 hour period, and a view of a single phase 
> flip (for lack of a better word.  I also updated the Allan Deviation 
> plot since I kept the run going for about 86 hours (the original data 
> was taken after about a day).
> 
> http://www.febo.com/time-freq/gps/performance/index.html
> 
> John

Those are nice. I dug out a trace of my M12 and my
snapshots agree with your VP in appearance. You
can also see the VP is about 104 ns and the M12
about 30 ns.

http://www.leapsecond.com/pages/m12/sawtooth.htm

/tvb






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