T3A09 : Which of the following results from the fact that signals propagated by the ionosphere are elliptically polarized?
A
Digital modes are unusable
B
Either vertically or horizontally polarized antennas may be used for transmission or reception
C
FM voice is unusable
D
Both the transmitting and receiving antennas must be of the same polarization
Correct Answer: Either vertically or horizontally polarized antennas may be used for transmission or reception