[OSM-dev] gpx elevation data for given bounding box?

[bvh]

On Sat, Sep 13, 2008 at 08:41:28PM +0100, Tom Hughes wrote:
> > The reason seems to be that some people *think* they are not accurate.
> I think the experiment we conducted at the 4th birthday party showed 
> pretty conclusively that it's not accurate. We were only about 12 foot 
> above sea level (as measured by looking over the wall at the Thames) but
> the various GPS units present reported values from about 0 to about 200 
> foot or so. They also varied radically over time despite the fact that
> we were sat still.

I think that is quite accurate actually. How many devices participated?
What was the error distribution like?

cu bart