[aprssig] The best resolution of position from APRS
archer at eskimo.com
Tue Jan 3 09:58:11 CST 2006
On Tue, 3 Jan 2006 scott at opentrac.org wrote:
> > 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.
> I think it's equally likely that the position error is due to map
> registration or datum errors. UI-View does NOT have the greatest map
> support - in fact, I'm pretty sure it doesn't have any concept of
> projection. Or is it smarter than it looks?
I don't think any of the APRS applications have much of a concept of
projection, so it's not quite fair picking on UI-View in this
context. Xastir has the possibility of doing some nice things with
projection, but currently doesn't do much with it.
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