rf communications link hi our problem is the following we have to design an rf link for a distance of m we re using standard rs waves square pulses as the modulating waves and the carrier wave is sinusoidal the link has to be bidirectional we would appreciate any advice on the type of modulating techniques or antennas that we should use please internet email us at gjf witsvma wits ac za nando or bww witsvma wits ac za warren or blumenow underdog ee wits ac za warren thank you very much in advance n w
