[time-nuts] Truetime XL-DC help

Bruce Griffiths bruce.griffiths at xtra.co.nz
Sun Jan 13 19:06:43 EST 2008


Steve Wiseman wrote:
> On 13/01/2008, Don Wisdom <donw at engineeringinc.com> wrote:
>   
>> Yeah it seems to be my location.   Anyone have any other insight into this?
>> It locked onto 6 satellites right away at his office.
>>     
>
> My Symmetricom XL-AK flips between happy-6satellites and
> grumpy-waiting-for-satellites every few minutes. The same 6 satellites
> generally come back when it recovers, and the 1pps doesn't seem
> perturbed. This is using a Symmetricom stick antenna, mounted high, on
> 10 metres of cable. I don't know if it's in any way related to your
> woes, but it's done it for 5 years, in all temperature conditions.
> It's a mild irritation, but mostly I ignore it, since the box does
> what I actually need.
> I sometimes wonder if it's interference, since my lab is far from quiet...
>
> Steve
>
>   
A trailer park has the potential for a lot of consumer electronics in
close proximity some of which may radiate noise etc in the GPS band.
Have you any pictures of the installation and a panoramic view of the
horizon from the antenna location?

Bruce



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