[talk-au] multiple gpses(sp?)

[Darrin Smith]

On Mon, 10 Aug 2009 19:44:05 +1000
Franc Carter <franc.carter at gmail.com> wrote:

> Due to a recent carputer project, I know map with two gpses. Looking
> at the traces in josm
> they are slightly offset from each other (more than the couple of
> centimeters that separates
> there antennas).
> 
> My inclination is to upload both sets of tracks and use the average
> of the two as the position
> as if they were from just another set of unknown traces. One is from a
> Tomtom(Sirf-III) and the
> other is a Garmin GPS16

I've also had 2 GPS's for the last couple of months and I do exactly
what you are suggesting. I also find it very useful when one has a spaz
for a couple of minutes and the other one keeps recording. Over a
couple of hours of mapping I usually get 2 cases each way that they
back each other up.

-- 

=b