[time-nuts] FE-.5680A trimming resolution
hmurray at megapathdsl.net
Tue Feb 7 02:12:06 UTC 2012
magnus at rubidium.dyndns.org said:
> Not quite right. If you lock up the clock, you do not lock to the birds,
> but to GPS time or UTC as received over GPS. The observed time of the birds
> would be a bad solution since you can't see a particular bird continously
> unless you is in geosync orbit.
It's even more complicated than that.
Suppose you decide to lock onto a bird that you can see. You have to correct
for Doppler so you can't use a simple PLL.
These are my opinions, not necessarily my employer's. I hate spam.
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