E9H02

Which is generally true for 160- and 80-meter receiving antennas?

1. AAtmospheric noise is so high that directivity is much more important than losses
2. BThey must be erected at least 1/2 wavelength above the ground to attain good directivity
3. CLow loss coax transmission line is essential for good performance
4. DAll these choices are correct

Pick an answer to check it.