E9H01

When constructing a Beverage antenna, which of the following factors should be included in the design to achieve good performance at the desired frequency?

1. AIts overall length must not exceed 1/4 wavelength
2. BIt must be mounted more than 1 wavelength above ground
3. CIt should be configured as a four-sided loop
4. DIt should be at least one wavelength long

Pick an answer to check it.