[ gpsdrive ] External program interfacing with gpsdrive

[stan]

OMG... found it, glad I was lying down at the time though:
http://en.wikipedia.org/wiki/Universal_Transverse_Mercator_coordinate_system
LatLong-UTM conversion.cpp 
That right? I'm not missing some wonderfully simple and lightweight system 
that will work at lightning speed on mobile phones and high performance 
watches? OMG, what have I got myself into... ;)