SQ Consultancy offers a program to upload/download and edit waypoints and routes.

The GPSU-XF Edition (version 3.99.4) of GPS Utility supports the Furuno GP-31.

There is a utility for use with Ozi Explorer that will communicate with Furuno receivers - look in the Utilities Page on the Ozi Explorer site.

For information on the Magellan upload/download protocol, see http://members.aol.com/foamafac

mgdlul10.zip (40305 bytes) has Upload and Download programs to transfer waypoint lists between a Magellan NAV 5000DLX (or similar) GPS receiver and a PC. Contributed by Brian Schipper (schipper@src.honeywell.com)

magellan.nmea (20505 bytes) is a discussion of interfacing and sentence formats for a Magellan Trailblazer GPS. Posted to sci.geo.satellite-nav by chad@anasazi.com (Chad R. Larson)

magellan.txt describes the procedure to upload/download waypoints from a Magellan 4000XL.

GPS Utility is a freeware/shareware program for users of Garmin or Magellan GPS receivers. As well as upload/download, it provides facilities for mapping, sorting waypoints, filtering and selecting GPS data, digitising from scanned maps, track analysis and other advanced tools (for example, generating waypoints/routes from tracks). A variety of grids and coordinate formats are supported together with the import/export of many different file types. The program exists in both 16-bit and 32-bit versions and includes an extensive help system. For more information see http://www.gpsu.co.uk/