Have you another GPSDO with a PPS output? If not then try to connect the PPS output of the UT+ and the 58503 PPS output to a dual trace 'scope with persistence, trig on the UT+ and see the total "span" of the 58503 PPS.
On Wed, Jul 25, 2012 at 10:59 AM, nde <n...@hispeed.ch> wrote: > My trusted 58503B displays strange values, this suddenly started a couple > of > weeks ago. > > TI values used to be within +- 50ns, now the monitoring software shows > values going between +- 500 ns! > > > > What could be the reason for this? I replaced the internal UT+ GPS > receiver, > same results. > > > > Any ideas? > > > > Thanks! > > -Nick > > > > > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
