- PCW is working on a new program, GarMon, which plots waypoints and tracks on the 48, transfers almanacs and several other things. Right now in only works for the II+, but support for other Garmins will probably be added in the next release.
- Arnold Moy has written
several GPS/geography programs including an experimental moving map
program (but only a description and screen shot of this are available).
- The geography section
of the HP48 Archive has a few interesting programs.
- UTM v1.0 is a program by
Luis Colorado to convert between
many different datums.
- Search Deja News for related usenet posts.
- Flight and
They are old and written in user RPL, but might provide a few
ideas for someone wanting to write new, GPS-enabled programs.
- An old satellite
tracking program. Given some parameters, it will plot the orbit of a
satellite over some period of time. It's not specifically for the NAVSTAR
satellites, but I thought I'd mention it anyway.
General HP 48 Resources
General GPS Resources