[time-nuts] Re: Trimble Palisade problems

[Bob kb8tq]

Hi

First thing I would check is power to the antenna. A Tee connector to 
get to the center conductor and a quick probe with a multimeter to 
check the voltage should be all it takes. If it’s a DC issue, that should 
be pretty easy to fix. 

Bob

> On Sep 23, 2022, at 8:55 AM, Steve Platt via time-nuts <time-nuts at lists.febo.com> wrote:
> 
> 
> This is a very long shot but has anyone any ideas why a Trimble Palisade might have stopped acquiring satellites?
> 
> The failure occurred several years ago (IIRC) but I would like to have one more go at getting it working again.
> 
> My unit seems to respond to TSIP commands on port B and gives a list of the 8 satellites its looking for (which changes from time to time) but the signal indication is always zero for them all.
> 
> It's been powered up for a day or so, before you ask!
> 
> It seems to have no ephemeris but I expect that that's just a side effect of having not worked for a long time.
> 
> I have been wondering if a component failure (eg capacitor) might be the cause but just today it wondered if the 2019 GPS week rollover could be to blame?
> 
> It's running firmware version 7.10 by the way.
> 
> Thanks in advance,
> Steve, G4WSZ
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