[time-nuts] basic question on GPS satellites

W2HX w2hx at w2hx.com
Mon May 16 02:19:16 UTC 2011


Length is about 12', type is RG-58, antenna is at my window pointing to a
some blue sky (no splitter). I think from the emails from the folks on the
list, before anything, I need to find a better location for the antenna.
Thanks for the reply

73 Eugene W2HX


-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of Scott Mace
Sent: Sunday, May 15, 2011 10:07 PM
To: time-nuts at febo.com
Subject: Re: [time-nuts] basic question on GPS satellites

What type of coax are you using and how long is the run?

I live in the woods and my antenna is partially blocked by
trees to the north and east and have never had problems.  I have about
130ft of LMR-400 between my antenna and splitter.

	Scott

On 05/15/2011 05:30 PM, W2HX wrote:
> Hi there. Recently acquired my first GPSDO. It is a datum 9390 (thank you,
> Norm!).  One aspect of its behavior seems strange to me.  Within a matter
of
> a few minutes, it seems that satellites are appearing and disappearing.
Are
> the satellites moving that quickly?  I might go from 1SV to 3SV or 4SV and
> then a minute later go to 1SV or none.  The antenna isn't moving and the
> trees aren't moving too much today.  I have not done anything with regard
to
> setting minimum elevation or any other parameters.  I did go through the
> COLD RESTART procedure to clear out everything and let it start from
> scratch.
>
>
>
> Do other GPSDO users experience something like this?
>
> 73 Eugene W2HX
>
>
>
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