Broadcast Signals We have some familiarity with broadcast antennas. They are used to transmit radio and television signals, sound and video patterns. We also have some familiarity with receiving antennas. We know that electromagnetic waves of certain frequencies emanate from the transmission towers to the receiving antennas. Most people know that these broadcast signals move very swiftly. Usually, only fractions of a second are involved for most nearby or local transmissions. At any … [Read more...]