Volume 1
MIL-HDBK-162A
Section 1
15 December 1965
ITEM NAME: ANTENNA GROUP
TYPE: OA-1124/FPS
Vertical: 6.2 plus or minus 0.5 deg
TPS-ID, and when used with Modification Kit MK-
Vertical Beam Position: 2.5 deg above the horizontal
301/TPS-1D, the AN/TPS-1D when modified is
Reflector Feed: Waveguide horn at
reflector focal point
redesignated Radar Set AN/FPS-36. Although the OA-
IFF Reflector Feed: Dipole radiator at reflector focal point
1124/FPS is designed for use with modified AN/TPS-lD
IFF Beam Width (At Half-Power Points)
it can also be used with any L-band radar set when
Horizontal: 1.6 plus or minus 0.3 deg
suitable RF and Synchro connections can be made.
Vertical: 6.2 plus or minus 0.5 deg
TECHNICAL DESCRIPTION
Power Handling Capacity (Peak RF): 2 megw at 0.001
Azimuth Scanning: 360 deg continuous clockwise at
duty cycle.
6 plus or minus 1 rpm
Power Requirements: 120 or 208v plus or minus 5%, 60
cps plus or minus 4%, 4-wire, 3 ph, 27 kw
Beam Width (At Half-Power Points)
Horizontal: 1.4 plus or minus 0.2 deg
PRINCIPAL COMPONENTS AND PHYSICAL DATA
SHIPPING DATA
COMPONENT
BOXES
OVERALL DIMENSIONS
UNIT WT.
(NR.)
(Inches)
(Pounds)
Reflector Center Section
1
75 x 91 x 146
1290
Reflector Section No. 2, RH
1
76 x 93 x 147
1170
Reflector Section No. 2, LH
17
76 x 93 x 147
1170
Reflector Section No. 3, RH
1
69 x 93 x 130
800
Reflector Section No. 3, LH
1
69 x 93 x 130
800
Reflector Section No. 4, RH
1
42 x 80 x 105
510
Reflector Section No. 1, LH
1
42 x 80 x 105
510
Reflector Support
1
51 x 84 x 101
665
Horn Support Assembly incl:
1
45 x 68 x 162
695
Horn
Waveguide Twist
Waveguide Bend
Cable Assembly CG-1514/U
Measuring Rod Assembly
Antenna Pedestal AB-465/FPS
1
95 x 107 x 113
8790
Cable Assembly CX-3909/ U
1
11 x 27 x 33
147
incl:
(10) Waveguide Gasket
(80) Hexagonal Cap Screw
(80) Lockwasher
(80)Hexagonal Nut
(2) Lubrication Filling
(1) Cable Assembly (X-3913/*
(1) Cable Assembly CX-1999/U*
Waveguide Assembly CG-1513/1'(2)
1
15 x 18 x 127
140
Modification Kit for
1*
16 x 18 x 25
40
IP-405/FPS-36 incl:
Modification Kit for
IP-3455/TPS-1D
Modification Kit for
1*
18 x 20 x 32
73
RT-212/TPS-1D
Waveguide Assembly
1
26 x 33 x 12
230
CG-1512/U incl:
(2) Waveguide Assy
CG-1,136/FPS-19
(2) Wavetguide Assy
CG-1435/FPS-19
(1) Telescope Mount Assy
(2) Wrench, Open-Ended
(1) Drain-Hose
(1) Cable Assy CG 1200/U'*
(1) Cord CG-92E,/U*
(1) Adapter UG-1224/TPS-ID**
(1) Adapter UG-1223/TPS-ID*
OA-1121 /FPS: 2
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