[OSM-talk] Potlatch doing source=GPS in error?

[Liz]

On Thu, 24 Sep 2009, Jonas Häggqvist wrote:
> source=GPS is a more precise description of the source than source=survey.
it isn't precise at all
gps is a subset of survey
but it leaves a lot to be desired in terms of precision

if you think that precision will help you will need far more information about 
the gps, the arrangement of the satellites that time/ day
how much multipath
the gps chipset
the algorithms used 
which set of satellites (in the future)

and the estimates of pdop will help 

the most usual method of survey on OSM is handheld GPS
and it is accepted that survey with no further notes is survey done by 
handheld gps.