[time-nuts] HP 58503B GPS Time Reference

[Azelio Boriani]

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 <nde at 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 at febo.com
> To unsubscribe, go to
> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.
>