Some related posts from Technorati and Google.

[Scilib.typepad.com] Science Library Pad: Photo: Conclusion: This device does a great job of easily and automatically recording your location, for later use in geocoding photos (or any other application where a GPS track would be useful). You may, however, want to use a different software package to do the actual photo geocoding;

 [Makezine.com] MAKE: Blog: GPS Archives: Mike writes - "This encoder will turn serial NMEA data from a GPS receiver into APRS format AX.25 data packets. By using this hardware with a 2 meter ham radio and the freely available APRS computer software, you can track the location of the GPS on a map in real time.

 [Flickr.com] Flickr: GeoTagging Flickr: As Rakerman's article says, it claims to only work with certain sony cameras, but in fact it seems to work just fine with others. Remember, it isnt manipulating the camera, its just changing a few things on the image once you put it on the computer.

Reflected tags on Technorati: Blog, Geocode, Geotags.org