[time-nuts] Lucent GPS UTC confusion

[Bob Camp]

Hi

The CDMA world (and most systems) want GPS lock rather than UTC. The only real change is likely in the status messages. I strongly suspect that a “UTC locked” version will not send a double pps pulse (or drop one) at a leap second boundary …

Bob

> On Mar 16, 2016, at 8:29 PM, Joseph Gray <jgray at zianet.com> wrote:
> 
> I noticed on the Status screen that the Lucent unit said the PPS was
> locked to GPS, not UTC, as the Z3801A is. So, I issued ":DIAG:GPS:UTC
> 1" and "TST?" to correct this.
> 
> But things are not as I expected. Displaying the clock for both
> GPSDO's in Z38xx now shows them to be 17 seconds different, which is
> of course the leap seconds.
> 
> This seems backwards. With both units set to UTC, why are they showing
> different times?
> 
> Joe Gray
> W5JG
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.