[time-nuts] High-end GPSDO's

Ralph Devoe rgdevoe at gmail.com
Sun Aug 19 18:27:03 EDT 2018


Thanks for the notes on the FS740.  I missed it back last November. It
looks so user-friendly that I might have to get one. Most SRS stuff is
really well done.

The question I have is whether it is practical to get to the 10(-13) level
with a good Rb and a good GPSDO. The Rb's aging rate is low enough, but, as
Corby has pointed out,  they are sensitive to temperature / pressure so
that they can move faster than the GPSDO can correct for. I'm not clear how
far this can be pushed.

Ralph


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