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Two years ago when I originally wrote this article, sales of GPS Navigation devices were in high gear. Most of you already know how a GPS device works:

  1. receives multiple satellite signals
  2. determines the geographic location by 3D triangulation
  3. displays your position superimposed on a map on its small LCD screen
  4. accepts your desired destination
  5. provides driving turn by turn instructions to reach the destination

I was interested in adding location data to my snapshots – “geotagging”. Geotagging is equivalent to performing steps 1. and 2. I found my geotagging solution in the reasonably priced PhotoTrackr.
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