[aprssig] The best resolution of position from APRS

Curt, WE7U archer at eskimo.com
Tue Jan 3 10:13:18 EST 2006

On Tue, 3 Jan 2006, Andrew Rich wrote:

> I have been playing with UI-VIEW and I notice I can not get my position
> quite on for APRS.
> I think I am seeing the limitation to the co-ordinate system being used.
> Which begs me to ask. What is the best resolution and how from the APRS Spec

Base-91 Compressed format.  Chapter 9 of the published spec.  Gives
you something like 1-2 feet resolution (about 1/3 to 2/3 of a
meter).  Not all APRS applications support it though.

Curt, WE7U.   APRS Client Comparisons: http://www.eskimo.com/~archer
"Lotto:    A tax on people who are bad at math." -- unknown
"Windows:  Microsoft's tax on computer illiterates." -- WE7U
"The world DOES revolve around me:  I picked the coordinate system!"

More information about the aprssig mailing list