[OZAPRS] APRS Short Standard

Kevin Dawson kevind at esi.com.au
Tue Jun 24 22:36:42 EST 2003

On Fri, Jun 20, 2003 at 09:53:47PM -0700, Andrew Rich wrote:
> > Just experimenting with a few ideas for storing location info into a
> memory
> > stick and short APRS pos TX
> >...
> > 8. Use the last nibble to store S/N E/W eg 0100 = NW 0000=SE 1100=NW
> > NE

I'd prefer to see N being positive rather than S, to keep in line
with normal Cartesian convention (after all, APRS is global).
Having said that, perhaps a signed fixed point number is another
lat and long would each be 16 bits of minutes and 8 bits of fractional
Total length 6 octets and easily manipulated.

ozaprs mailing list
ozaprs at marconi.ics.mq.edu.au

More information about the Ozaprs mailing list