Wave Talkers Amateur Extra Exam Prep: E9 Questions

E9H04:

What is an advantage of placing a grounded electrostatic shield around a small loop direction-finding antenna?

It adds capacitive loading, increasing the bandwidth of the antenna
It eliminates unbalanced capacitive coupling to the surroundings, improving the nulls
It eliminates tracking errors caused by strong out-of-band signals
It increases signal strength by providing a better match to the feed line

E9H01 E9H02 E9H03 E9H04 E9H05 E9H06 E9H07 E9H08 E9H09 E9H10 E9H11