[FOSS-GPS] how to make a rover with limited satellite view find a reliable fix
Tshepang Lekhonkhobe
tshepang at gmail.com
Wed Jul 4 14:21:44 PDT 2012
On Thu, Jun 28, 2012 at 7:32 PM, Tshepang Lekhonkhobe
<tshepang at gmail.com> wrote:
> Suppose I have this configuration:
>
> pos1-posmode =kinematic
> pos2-armode =continuous
> ant2-postype =rtcm
> inpstr1-type =tcpcli
> inpstr2-type =ntripcli
> inpstr1-path =<tcpsvr url>
> inpstr2-path =<userid>:<password>@<ntrip server url>/<mount point>
> inpstr1-format=ubx
> inpstr2-format=rtcm3
>
> That is, input 1 is a rover that gets its data (ubx) via a tcp server (using
> str2str) and input 2 is ntrip server base station. This works pretty well if
> the rover has more LOS to GPS satellites. That's when it's hovering between
> 9 and 10 valid satellites. But when not the view is not so good (6-9 valid),
> it hardlly ever gets fixes that last.
>
> Is there a way to make the antenna with poorer LOS have more and reliable
> fixes?
Anyone out there? Can this be done?
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