PositionDilutionOfPrecision?

[HARRY]

Hi,

Does somebody know what the meaning is of the values (1 to 50)? E.g do they represent the accuracy in distance in meters with a ??? probability? Or something else? In the latter case, is it a lineair scale? Of what?

Harry

 

[wolfgang]

Dop

Hi,
I know what it is but it's too hard for my English. Here is a link to a very good site for GPS which is not to scientific.
How GPS works: Error sources

Happy new year 2009!