6.
What part of the DF receiver is used to give a steady tone for ease of direction
finding/AM signals?
A.
Aural Null
B.
BFO
C.
AM Modulator
D.
FM Modulator
7.
What device is used to electrically rotate an antenna?
A.
Slip Rings and Brushes
B.
Goniometer
C.
Direct Coupling
D.
Cathode Ray Tube
8.
Which is the simplest form of coupling?
A.
Transmission line
B.
Rotating
C.
Direct
D.
Indirect
9.
Which antenna requires an additional sense antenna?
A.
Loop
B.
Adcock
C.
Both Loop and Adcock
D.
Neither Loop no Adcock
10.
What is the most common type of visual indicator?
A.
Left-Right Meter
B.
Crossed Pointer Meter
C.
Oscilloscope Indicator
D.
Instantaneous Indicator
IT0302
2-20
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