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The best explanation I've heard was that water is the primary inhibitor of the GPS satellite signal. It's a type of radio signal that can penetrate solid surfaces, but the wetter the it is, the more inhibited the signal. My Socket BT GPS will work fine inside the house unless it's rainy, at which point it needs to be next to a window to get adequate signal. This is easily noticed on extremely wet and overcast days when it will usually take longer for satellite hookup or even prohibit it. On a wet and rainy trip this fall, the only GPS that would achieve satellite "lock" was my Socket. Neither the Garmin or Magellan would hook up.
For more info check out gpspassion.com for indepth reviews and discussion of pda/gps combo's and mapping programs.

11-28-2003, 11:46 AM	#7
oneeyesquare One kiss away Join Date: Oct 2002 Posts: 741	The best explanation I've heard was that water is the primary inhibitor of the GPS satellite signal. It's a type of radio signal that can penetrate solid surfaces, but the wetter the it is, the more inhibited the signal. My Socket BT GPS will work fine inside the house unless it's rainy, at which point it needs to be next to a window to get adequate signal. This is easily noticed on extremely wet and overcast days when it will usually take longer for satellite hookup or even prohibit it. On a wet and rainy trip this fall, the only GPS that would achieve satellite "lock" was my Socket. Neither the Garmin or Magellan would hook up. For more info check out gpspassion.com for indepth reviews and discussion of pda/gps combo's and mapping programs. __________________ Single file line please,ladies...