Geez, this question comes up a lot.Parnelli_001 wrote:
I am going to be purchasing a GPS soon, what are some suggestions on what i should get?
Read my article:
Since then, the biggest change that has occurred is the elimination of SA (Selective Availability). Public GPS signals are no longer purposely degraded so accuracy is now extremely high. It was deactivated on May 1, 2000.
Stationary data plot BEFORE SA was turned off:
Stationary data plot AFTER SA was turned off:
I strongly recommend Garmin GPS units simply because they enjoy the widest aftermarket support. Virtually all GPS-related software can speak to Garmin receivers. For 4x4-use, particularly in BC, I recommend getting a GPS that can use an external antenna. When buying a GPS, you should buy these two items to go with it:
- 12V power adapter since they are power hungry.
- PC data cable. The utility of a GPS quadruples when you start managing the data on a PC and using mapping software such as OziExplorer to review your travels or plot waypoints or new routes.
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