[time-nuts] Z3801A holdover

[Bob Camp]

Hi

The TRAIM error will happen with a small number of sats and a location 
estimate that is less than perfect. I would not go to crazy about that part.

First question — why so few sats? You really need to have full screen of 
locked sats. That can be a feed line / antenna issue. The old Oncore boards
are pretty deaf. A setup that works fine with other stuff … maybe not so much
with one of them.

Second question — did the unit get moved from somewhere else and still
thinks it is in the other location? If so it would struggle just like the screen shows.

I’d get those two out of the way first.

Bob

> On Feb 24, 2016, at 11:37 PM, Joseph Gray <jgray at zianet.com> wrote:
> 
> I just took a look at my Z3801A that has been in holdover for some
> time. I have been too busy to do anything about it until now.
> 
> Before looking at the receiver stats just now, my first guess was that
> the Oncore GPS board went bad. However, I see that it is currently
> tracking 4 sats. I also see that the 1pps is invalid. Does this still
> point to a failed Oncore board?
> 
> Attached is a screenshot showing the receiver stats.
> 
> I will open this thing up over the weekend to check voltages and such.
> Until then, any tips on where to look are appreciated.
> 
> Joe Gray
> W5JG
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