[time-nuts] PN sequence generation using GPS

[Chris Albertson]

On Thu, Feb 17, 2011 at 3:22 PM, Hal Murray <hmurray at megapathdsl.net> wrote:

> The receiver has to do the same dance as the transmitter.  (Maybe delayed a
> bit.)  If not, you will be listening on the wrong frequency.  Can you use
> something like a carrier detect to suppress the reset on the receive end?
> (Which might mean that you don't want to start near the end of a second.)
>
> How long you can freewheel depends upon how closely the clocks are
> synchronized.

I always thought the receiver's clock kept itself sync'd via a phase
lock loop with the transmitter.  So the transmitter timing could drift
a bit "off" and the receiver would follow.  This system also
automatically takes care of propagation delays perfectly


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Chris Albertson
Redondo Beach, California