Home » Propagation » 27 » b VHF and UHF bands are frequently used for satellite communication because: a. waves at these frequencies travel to and from the satellite relatively unaffected by the ionosphere b. c. satellites move too fast for HF waves to follow d. the Doppler effect would cause HF waves to be shifted into the VHF and UHF bands. Your answer "b" is not correct. "a" is the right answer. Next |