Control Unit, C-149/ARN-6 Radio Compass System B-36 in an audio frequency signal
$155.95
Description
in an audio frequency signal the average frequency of which is proportional to the altitude of the aircraft above the ground
A description of the system appears in Flight International in January 20th 1938
The large pointer shows the total fuel in 10
It has a serial # prefix of AF49
Control Unit, C-149/ARN-6 Radio Compass System B-36 in an audio frequency signalThis is a terrific example of a C 149 Control unit for the aircraft receiver R 101 of the Radio Compass AN ARN 6 system for direction finding and homing. The receiver function tunes from 100 1750 kHz across 4 bands, which were selected by rotating the center knob below the frequency band window. The center knob rotates a flexible shaft connected to a rotatable loop antenna. The AN ARN 6 system evolved over time, originally using a control box similar
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