E9H02 : Which is generally true for 160- and 80-meter receiving antennas?
A
Atmospheric noise is so high that directivity is much more important than losses
B
They must be erected at least 1/2 wavelength above the ground to attain good directivity
C
Low loss coax transmission line is essential for good performance
D
All these choices are correct
Correct Answer: Atmospheric noise is so high that directivity is much more important than losses