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MIL-DTL-85670 Antenna, Broadband As-3191/A, As-3792/A, And As-3793/AThis specification establishes the design, performance, and acceptance requirements for AS-3191/A, AS-3792/A, and AS-3793/A broadband antennas, hereinafter referred to as the antenna. The separately nomenclatured antennas differ only in surface finish and color. The antenna is a universal blade type to be used in aircraft equipped with the AN/ARC-182\(V\) radio set. The antenna is an aircraft fuselage mounted blade enclosed element. The antenna is a broadband, fix tuned, exhibits omnidirectional radiation pattern, and is vertically polarized for radiating and receiving radio waves in the 30-88 MHz, 108-174 MHz, and 225-400 MHz communication bands.

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MIL-DTL-85670D
4.5.4.7 Lightning protection. The antenna shall be tested to demonstrate compliance with the requirements of
3.6.9 as follows:
a.
The antenna shall be connected to a section of RG-58 coaxial cable that is terminated in 50 ohms.
b.
The output of the antenna shall be monitored during the test.
c.
The electrical and mechanical integrity of the RG-58 cable must not be degraded by the test, and
the antenna must remain securely attached to the mounting plate that is used for the test
purposes. The plate may be deformed but shall not be torn.
d.
The mounting plate shall be Type 6061-T6, 16 gauge aluminum, octagonal, 3 feet in width, held rigidly at
the perimeter.
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