[time-nuts] GPS 1 PPS accuracy limits

life speed life_speed at yahoo.com
Tue Apr 20 13:26:59 EDT 2010

Time Nuts;

I have a customer request for a microwave frequency synthesizer with extreme accuracy requirements; 4 X 10^-11, or 0.04 PPB.  Obviously this is way out of quartz oscillator territory.  Is GPS 1 pulse-per-second useable, or do they need an atomic clock?  Maybe they don't realize what they are spec'ing.


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