Quantcast RADAR SET - continued - TM-11-487C-10090

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MIL-HDBK-162A
Volume 1
15 December 1965
Section 1
ITEM NAME: RADAR SET
TYPE: AN/FPS-6A
height information.
Vertical Beamwidth: 0.85 deg
RELATION TO SIMILAR EOUIPMENT
Frequency (if.): 30 mc
AN/FPS-6A  is  similar  to  and  one  way
Type of Presentation: RHI scopes
interchangeable with AN/FPS-6. Differs in that Indicator
Indicator Ranges:
Group OA-929/FPS-6A is used in place of Radar Set
Azimuth: O to 100 mi; O to 200 mi
Group OA-270/FPS-6 which provides increased height
Height: 5000 to 75,000 ft - 5000 to
findings, accuracy and reliability. AN/FPS-6B is similar
25,000 ft - 20,000 to 50,000 ft -
to and one way interchangeable with AN/FPS-6, 6A;
45,000 to 75,000 ft
differs in that improved components are used and
Range Marks: 10, 20, 50 mi
variable  antenna  nod  features  are  incorporated.
Height Marks: 10,000 ft intervals
AN/MPS-14 is similar to AN/FPS-6A; differs in that AN/
Elevation Angle Marks: 5 deg intervals
MPS-14 is a mobile version.
Power Requirements: 120/208, 3 ph, 60
cycle, 4-wire, 50 kva
TECHNICAL DESCRIPTION
Receiver Frequency: 2730 to 2930 mc
INSTALLATION CONSIDERATIONS
Transceiver Frequency: 2700 to 2900 mc
Siting:  Tower AB-258/FPS-6 (temperate) requires a
Power Output: 5 megw, peak
level area of 30 feet in diameter while Tower AB-
Power Source (rf): Type QK338A magnetron
259/FPS-6 (arctic) requires a level area of 70 feet in
Pulse Width: 2 to 3 usec
diameter.
Pulse Repetition Rate: 300 to 400 pps
Mounting:
Antenna Group is installed in either
Range: 300 naut mi
Temperate Tower AB-258/FPS-6 or Arctic Tower
Vertical Coverage: minus 2 to plus 32 deg
AB-259/FPS-6. Indicator Group is installed in the
angular
operations building which contains the associated
Horizontal Coverage: 360 deg
search radar.
Antenna Vertical Scanning Range: 20 or 30
Interference Considerations:  Absolute minimum of
cpm
100 feet distance must be maintained between
Range Resolution:
plus or minus V pct
AN/FPS-6A  on  associated  or  other  radar
Azimuth Resolution: 3.2 deg
equipments.
Elevation Resolution: 0.90 deg
Related Equipments:  Radar Set AN/FPS-6A can be
Range Accuracy: plus or minus 1 pct
used with Radars AN/FPS-3, 3A, AN/FPS-20, 20A,
Elevation Accuracy: 1000 ft
AN/FST-2
Horizontal Beam Width: 3.2 deg
PRINCIPAL COMPONENTS AND PHYSICAL DATA
COMPONENT
QTY
HEIGHT
WIDTH
DEPTH
UNIT WT.
(Inches)
(Inches)
(Inches)
Antenna Group OA-2035/FPS-6A
Motor Generator PU-293 or 293A
1
18
16
44-5/8
Blanker, Interference MX-1739A
1
11
15
12
49
Antenna Control C-1050/FPS-6
1
18
7-1/2
13
50
Control Group Assy
1
48
24
42
1200
OA-2036/FPS-6A
Ferrite Isolator CU-492 or
1
14
24
24
90
CU-492A/FPS-6A
15-1/4
18-3/4
30
70
(crated)
Heat Excharger HD-188/FPS-6
1
21-3/8
34-1/4
30-1/2
300
(crated 2 boxes)
Heat Excharger HD-289/FPS-6A
1
18-1/8
30
19
360
(crated)
AN/FPS-6A: 2
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