Thanks mate, I'll give it a try!Jaap.

I think I understand all your doing...couple questions. What/How much is the software on your IPAQ? I have a 3635 (32Mb internal w/128Mb CF card, PPC2002 loaded) I use my USB Cradle at home (also have a Serial one at work for my NT machine) will this not work through USB?On buying cradles, search Amazon, I got a used one for $15. Over $30 new.This would be very cool!

Check out this link:I think the software only is a couple of hundred.http://www.controlvision.com/The interface has to go through serial for fs-usb won't work-fs is sending a "phony" gps signal and it has to be recieved through the comm port.http://members.telocity.com/~geof43/Geofdog2.gif