Can you keep a secret? Is it possible to send a signal out so that one person will receive the signal but another will not? The scenario presented in this chapter is a young radio amateur who maintains a link with two friends living in two towns. Two antennas are positioned such that when one friend, living in town A, receives a maximum signal, the other friend, living in town B, receives no signal, and vice versa. The two antennas transmit with equal intensities uniformly in all directions in the horizontal plane.
Details
Type Book ChapterPub Date 1/1/2006Stock # PB198X_33