Re: GPS elevation accuracy


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Posted by Pugsly on February 28, 2003 at 00:14:12:

In Reply to: Re: GPS?Below Sea Level posted by Barney on February 28, 2003 at 00:06:23:

Agreed, the elevation reading is the least accurate measurement on the GPS: +/- 50-65 feet in ideal conditions (with SA turned off), less if you aren't seeing all the satellites.

According to Magellan: "GPS elevation may vary +/- 15-20 meters (50-65 feet) due to random errors caused by atmospheric delay, incorrect satellite positioning or poor geometry in the satellite constellation."



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