[Geomag-operations] Timing parts.

[kat uchima]

Hello Edward
Replaced the smart switch I powered down the new Trimble GPS clock just in
case.
Let me know if you need the antenna replaced it looks like its been up
there awhile.
01:21:00 to 01:38:00 UTC Julian date 301
Kat

On Wed, Oct 17, 2018 at 7:07 PM Sauter, Edward <esauter at usgs.gov> wrote:

> Kat,
> We have been seeing gaps in your data recently.  Our first attempt was the
> GPS clock/GPS PPS Buffer Amp you replaced earlier.  That needed to be done
> regardless, so that was our first attempt, but that didn't remedy the data
> gaps.
>
> Now, I will be sending 2 more replacement parts to you (see attached file):
>
> 1 GPS Antenna, and 1 Smart Switch.
>
> They should be switched in either order, but only one at a time, with you
> letting us know when and what you have replaced.
>
> So, at your first opportunity, replace either the GPS antenna, or the
> Smart Switch.  After replacing the part, let us know which part you
> replaced.  Then, wait for word from us as to whether you need to replace
> the other part.
>
> With regards to the GPS antenna, be sure to power down the new Trimble GPS
> clock in the NEMA box prior to replacing the antenna.  Take it from me, if
> the GPS clock is powered, either the antenna or the clock can be damaged.   *Been
> there, done that!! *
>
> Also, notice the replacement Smart Switch has a power cable attached to it
> (hard wired).  Keep the old power cable with the plug at the Smart Switch
> end for future use.
>
> Thank you,
> Ed Sauter
>
> --
> Edward A. Sauter
> US Geological Survey
> Box 25046 DFC, MS 966
> Denver, CO 80226-0046 USA
> E-mail: esauter at usgs.gov
> Phone: 303-273-8471
> Fax 303-273-8506
>
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