5A87 D
What is an indicator that the receiver is being tuned to an image frequency?
A.Hearing a given radiotelegraph transmitting station at more than one place on the tuning dial of the receiver
B.The image frequency signal will be weaker than the signal level received when the receiver is set to the proper frequency of the transmitting station
C.The station is transmitting on more than one frequency
D.Both A & B
