[aprssig] Mic-E Issues

[Curt, WE7U]

On Wed, 16 Jul 2008, Robert Bruninga wrote:

> For what it is worth, that is why we came up with the !DAO!
> Format which adds precision down to about a foot while also
> providing a byte for identifying the Datum between the sender
> and the receiver.  See:
> http://www.ew.usna.edu/~bruninga/aprs/datum.txt

We have code in Xastir to decode that now.  It hasn't been fully
tested and doesn't do anything with the datum yet.


> Though in my mind, for something like APRS, if you are within 60
> feet of an APRS station or object you are basically there!

Depends on the use.  I can imagine uses for SAR where one could
average on a clue for a few minutes and then send a better position
than "standard" GPS positions.  Evidence searches and the like.

-- 
Curt, WE7U.				archer at eskimo dot com
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!"