Scott Walsh wrote: > > As far as I know it is not possible to do RDF using a whip attena, you > need an array of antennae that you measure the phase difference of the > incident signal, you use an arctan function of this information from > the amplitude of the recieved signals in your antenna array and out > pops the angle of arrival! > > It is a bit more involved than that, but the maths is not too > horrendous to understand ... honest! This won't put me off! I'm currently fooling around with the moment method to calculate the current on a reflector. Doing it in a PIC will be the challenge. -- Friendly Regards Tjaart van der Walt ______________________________________________________________ | Another sun-deprived R&D Engineer slaving away in a dungeon | |WASP International GSM vehicle tracking and datacomm solutions| | +27-(0)11-622-8686 | http://wasp.co.za | |______________________________________________________________|