(6) If there is no crosswind, maneuver the air-
a radio station and tune for maximum sig-
plane to position bearing indicator pointer
nal level on tuning meter (meter pointer
under the lubber line and fly on this head-
swings to the right). The bearing indicator
ing toward radio station.
will show bearing of radio station.
(7) For a crosswind condition, check bearing
Note. Five turns of the TUNE control will
of wind and correct magnetic heading.
cover the frequency range in use. Frequencies
are indicated in kilocycles.
b. Using Adf for Position Fix (fig. 2-3). For a
(5) If audio is desired, rotate GAIN control
position fix, at least two radio stations are required.
to the right and adjust for a comfortable
For maximum accuracy, a third station should also
sound level. I f radio station transmission
be used. If the pilot is flying on a radio range
is continuous wave, set BFO-OFF switch
course, the radio range station serves as one bearing
to BFO.
Figure 2-2. Homing to a radio station.
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