[time-nuts] GPS ADEV?

Brooke Clarke brooke at pacific.net
Mon Apr 9 15:50:18 EDT 2007


Hi Tom:

Why is the Datum2000 so much better than the other receivers?

Have Fun,

Brooke Clarke
w/Java http://www.PRC68.com
w/o Java http://www.pacificsites.com/~brooke/PRC68COM.shtml
http://www.precisionclock.com



Tom Van Baak wrote:
> John,
> 
> I like the questions you ask. Here's an updated plot:
> 
> http://www.leapsecond.com/pages/3gps/gps-adev.gif
.  .  .  .  .  .
> 
> For contrast I added a (well-engineered) Datum 2000 to
> the plot (black line). It was measured with a TSC 5110A
> at 5 MHz rather than a hp 53132A at 1PPS.




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