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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
TABLE V. Conformance inspections - individual tests
Inspection
Requirements
Test method/
Verification
Visual examination
VSWR
Bandwidth
Impedance
4.6.1 Individual tests. Each antenna submitted for acceptance shall be subjected to the individual tests. The tests
shall be adequate to determine compliance with the requirements of materials, workmanship, and operational
adequacy. All inspections and testing shall be delineated in the acceptance test procedures submitted to the
acquiring activity. As a minimum, each antenna accepted shall have met the tests specified in table V.
4.6.1.1 Examination of product. Each antenna shall be examined for compliance with design and construction
(see 3.4) and for workmanship (see 3.8).
4.6.2 Sampling tests. The sampling tests from table VI shall be conducted on samples randomly selected by the
Government inspector according to table VI. The selection shall be made from antennas having passed all the
requirements for inspection prior to packaging. Sample selection shall be irrespective of color. Any sample shall
undergo all required sample tests. Environmental sample tests shall be conducted prior to electrical and performance
sample tests. Corrective action following failure shall be verified effectively by test on a sample from the next ten
produced.
4.6.2.1 Scope of sampling tests. As a minimum, each antenna selected for sampling tests shall be subjected to
the following:
a.
VSWR test in accordance with 4.5.3.2.
b.
Pattern, polarization, and gain tests in accordance with 4.5.3.1.
c.
Random vibration test in accordance with 4.5.4.5.
Temperature-altitude test in accordance with 4.5.4.1.
d.
e.
Salt fog test in accordance with 4.5.4.4.
f.
Power handling test in accordance with 4.5.3.3.
g.
Similarity certification in accordance with 4.5.4.8.
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