Having tested all the latest GPS-enabled compact megazooms, I can tell you that holding onto a signal isn't easy, particularly in a city. Casio's Hybrid GPS in its Exilim EX-H20G announced today looks like it is up to task, though.
The Hybrid GPS system combines a GPS receiver with a motion sensor that allows for autonomic positioning. Should you lose your signal, a three-way accelerometer and a three-way direction sensor combine to keep track of your movements in relation to the last coordinate received. The camera can then continue to track and geotag your photos even if you'… Read more