[time-nuts] GPS jumps of -13.7 us?

Tim Shoppa tshoppa at gmail.com
Tue Jan 26 16:16:18 UTC 2016

Indeed, multiple Z3801A GPSCON pages show an impulse step for by the amount
you describe. I would describe the graphs as showing a positive TI step
followed by negative TI step. My reading of the graphs shows that it is
consistent with the 13.7 usec you describe.

Am attempting to attach some EFC/TI graphs. Everyone seems to configure
their scales a little differently.

Tim N3QE

On Tue, Jan 26, 2016 at 10:12 AM, Paul Boven <p.boven at xs4all.nl> wrote:

> Hi everyone,
> Has anyone else seen GPS time jump by -13.7 usec today?
> I just heard from several geographically quite distributed radio
> observatories that they have seen their GPS receiver(s) jump compared to
> their in-house standards.
> Regards, Paul Boven.
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