E9H08 - Amateur Extra Class

E9H08 : What is the function of a sense antenna?
A It modifies the pattern of a DF antenna to provide a null in only one direction
B It increases the sensitivity of a DF antenna array
C It allows DF antennas to receive signals at different vertical angles
D It provides diversity reception that cancels multipath signals
Correct Answer: It modifies the pattern of a DF antenna to provide a null in only one direction