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Page Title:
Description of Antenna AS-1425/GRC |
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  TM 11-5985-335-15
NOTE
This listing is based on the original shipment by the contractor on Contract No. DAAB05-70-C-4408.
Qty
Item
Dimensions (in.)
Weight
Length
Depth Width
1
Reflector assembly
55-1/2
10-1/4 55-1/2
1
Horn assembly (feedhorn)
30
9-1/4
9-1/4
1
Frame assembly (backmount)
54
10
30
1
Housing assembly (tilting assembly)
15
4-1/8
4-7/8
4
Guy cable assembly
(65 ft)
6
1
Antenna adapter (A)
2.84
5
2.84
1
Waveguide Assembly CG-3250/GRC
12
1
6
Waveguide Assembly CG-3307/GRC
(15 ft)
20.7
2
Waveguide Assembly CG-3251/GRC
(4-1/2 ft)
6.2
8
Clamp assembly
8-3/4
3
11
5
1
Guy (messenger cable)
(75 ft)
7
15 Hanger assembly
13.5
0.6
b. Running spares of the AS-1425/GRC consist of two clamp assemblies.
1-7.
Description of Antenna AS-1425/GRC
a. The AS-1425/GRC is a 4-1/2-foot diameter parabolic reflector type antenna
consisting of the following components:
(1) Reflector
(2) Feedhorn (including deicer equipment)
(3) Backmount
(4) Tilting assembly
(5) Antenna adapter (A)
(6) Guy cables
b. The antenna reflector is supported by the backmount, which is usually mounted on a mast such as Mast
Assembly AB-621/G or AB-577/G.
The antenna feedhorn is mounted on the reflector in one of two positions,
corresponding to two modes of polarization (horizontal or vertical). A dust cover is provided for the mouth of
Change 2
10.2
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