GPS links page
Observations of the Garmin-Garmin protocol
- reverse engineered Garmin protocol docs.
GPS and Mapping Info from WE7U
- David L. Wilson
- a third-party connector for Garmin GPS receivers (including the 12 and eTrex/eMap). This guy had an injection molding machine sitting idle, so what did he do...
Bob's GPS page
- includes links to a page on using an external antenna with receivers that make no provision for one.
Satellite Navigation & Positioning Group, University of New South Wales
- excellent links list
- local agent for Garmin ePlugs, made up cables, external aerials, etc.
GPS Data Logger
- logs up to 131,000 track points
Joe Mehaffey's review of the Garmin eMap