Tracks
The GPS track log enables the geotagging [wikipedia.org] of photos.
About the GPS track log
A typical GPS continuously records a series of track points (tracks) of where you have been.
Downloading from the GPS
GPSPhotoLinker includes an unmodified version of the program GPSBabel to download tracks and waypoints from your GPS receiver.
About GPX and TCX file formats
GPSPhotoLinker uses GPX and TCX formatted files to read the GPS track log.
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