[OSM-talk] handheld gps unit

[Paul Norman]

> From: Andrew Errington [mailto:a.errington at lancaster.ac.uk]
> Subject: Re: [OSM-talk] handheld gps unit
> 
> What about a camera with built-in GPS?  That way you can make photo
> documentation of the progress at each site with a timestamp and
> geostamp[1].  Many cameras also record audio, so you could have
> timestamped, geostamped audio too although I'm not sure how
> independent/integrated the GPS in such a camera is.  Remember, when
> taking a picture *of* the site to adjust for the offset *to* the site,
> or just take a picture straight down or something.
> 
> A random 30 second search brought up the Casio Exilim EX H20G for $199
> at Amazon.

The Canon Powershot SX230 is a good option since you can put open source
firmware on it. The problem is the accuracy of camera GPS units is pretty
bad, and battery life can be an issue. You're better off with a separate
unit and then syncing them up.