Early Innovations

GPSPhotoLinker

About GPX and TCX file formats

GPX is an xml format designed specifically for saving GPS track, waypoint and route data. It is increasingly used by GPS programs because of its flexibility as an xml schema. More information can be found on the official GPX website [topografix.com].

The TCX format is also an xml format, but was created by Garmin to include additional data with each track point (e.g. heart rate and cadence) as well as a user defined organizational structure. The format appears to be primarily used by Garmin's fitness oriented GPS devices. The TCX schema [garmin.com] is hosted by Garmin.

Many of the dozens of other formats can be converted into GPX or TCX formats using GPSBabel [gpsbabel.org].

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