So, I think the short answer is, I can't offer direct help, but
 depending on what you want to do with your GPS, it might be worth
 looking at GPSBabel.
 Russ
 [1] 
http://www.openstreetmap.org/
 [2] 
http://www.gpsbabel.org/ 
Russ,
I'll take a look at those.
I need the C-Map prog to see the NMEA data from the GPS.
It stops me hitting the rocks!
Stuart
-- 
Registered Linux Mangler #001