On 12/17/11 2:56 PM, Magnus Danielson wrote:
On 12/17/2011 09:57 PM, Jim Lux wrote:
L1 C/A
But the real question isn't how to generate the signals (that's straight
forward).. it's "how good does the oscillator have to be" to effectively
test the receiver, in the sense of measuring it's timing performance.
A decent OCXO should be able to pull it off. Your receiver should
long-term follow your OCXO. Take one of these 40 dollar rubidiums if you
are worried.
Any drift of a good OCXO will be way within the bandwidth of the GPS
channels. This drift would show up as added drift of the GPS oscillator,
which is then being tracked and compensated.
that is precisely what I was thinking.. I was just wondering if anyone
had run across a reason why it wouldn't be the case. (short of actually
doing the no doubt tedious analysis)
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