[talk-au] Hi all ...

[Delta Foxtrot]

--- On Wed, 17/6/09, Ross Scanlon <info at 4x4falcon.com> wrote:
> No, it's not why I should upload the GPX files.  As I
> said the info I
> upload from josm is the edited version of the gpx files I
> don't move the
> nodes just use josm's simplify tool to remove all
> unnecessary nodes.

You should upload a GPX file, regardless if it's a simplified version or not...

> No kidding, do you really think that we don't know
> this.  I've been using
> GPS since 1993 so I've got a pretty good idea of possible
> errors with
> them.

Then why try and trivialise the problems that can occur down to simple operator error?
> Averaging the traces will not necessarily make the map more
> accurate.  If
> there are two that correspond closely and one that's 20m
> off then the
> resultant way will be incorrect.

Which is why I stated before about removing spurious data before averaging.