RF Jim wrote: > I guess at this point you havn't read the bit I posted > from a *much* more authoratative source than I ... Actually, I did, but it was still talking about intentions, not practice. > RF Jim (Veteran of GPS system work back in the late 70's) Interesting. Did you actually build and test receivers? -- Dave Tweed -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads