Monday, March 21, 2005

Holes in GPS

This weekend we went to the Monterey Bay Aquarium. On the way home we noticed that for about half of the way we were not receiving any signal from the GPS satellites. The system was still able to plot a route, as well as keep track of the location of the car, since it has a gyroscopic system that works when the GPS signals are not received.

The strange thing about this, is that the signals appeared to stop when we were driving near Fort Ord. This is not strange in itself, but the same thing happened when driving though San Bernardino. Since both of these areas are near military bases, I wonder if there is something creating interference from these bases. (Maybe it is genetically enhanced monkeys)

This problem could be cause becuase it was raining both of these times. But rain is not supposed to affect GPS signals, at least according to this document.

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