[time-nuts] Smart Phone time display accuracy...?

Bob Camp kb8tq at n1k.org
Fri Mar 17 07:09:34 EDT 2017


> On Mar 16, 2017, at 9:43 PM, Hal Murray <hmurray at megapathdsl.net> wrote:
> kb8tq at n1k.org said:
>> Under normal conditions, the Gold Codes on CDMA are synchronized to < 100
>> ns.
> Is that a full time synchronization, or something like a PPS where they can 
> get the ticks lined up but not know the time for any individual tick?

The GPSDO sends out a pp2s that is specified to be aligned to GPS time to within 
100 ns. The transmitter lines up to this “ever other second” pulse. There is normally
a serial link that tags the time. 


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