[time-nuts] Using GPS for space-based instrument
SAIDJACK at aol.com
SAIDJACK at aol.com
Mon Nov 10 22:48:00 UTC 2008
Hi Karl,
commercial receivers are limited to 1000 knots by regulation.
Considering that your space based vehicle will probably zomm about pretty
quickly (not geo-stationary) it sounds like you need a special "unlocked"
receiver, or a P-code military one.
bye,
Said
In a message dated 11/10/2008 14:29:16 Pacific Standard Time,
karl.f.strauss at jpl.nasa.gov writes:
I've been tasked (or was it I was volunteered?) to do some basic design &
definition work on an ultra-stable master frequency system for a proposed
instrument that is currently planned to be in an Earth-trailing orbit. Given
the first order accuracy requirement of 1 part in 1E-10, my first thought was
to grab the GPS timing signal.
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