...the Z3801A requires the device to be in holdover... with the GPS PPS already acquired: I think that the "jam sync" must be done against some reference...
On Wed, Aug 17, 2016 at 4:49 AM, Mark Sims <[email protected]> wrote: > The Trimble GPSDOs and most of the SCPI ones (like the Z3801A) have "jam > sync" commands that force the receiver to do an immediate time sync (the > Z3801A requires the device to be in holdover before it will accept a jam > sync). Some also have commands where you an also specify thresholds where > the receiver alarms and/or does an automatic jam sync and thresholds for > loss-of-signal time before the device goes into holdover mode. > > ------------------- > > I have selected a somewhat more intricate setup in which you can set a > re-assignment limit, so when the phase error is outside of that limit, > you turn the output off, jumps the phase difference, and then starts to > track in from there. The reason being that at some time deviation, the > time it takes to track in the phase error is too large to be practical > so turning of and jump has less impact. > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
