MIL-HDBK-162A
Volume 1
15 December 1965
Section 1
ITEM NAME: INDICATOR GROUP
TYPE: AN/UPA-25
26 to 42 mi: at least 6 radii
RELATION TO SIMILAR EQUIPMENT
42 to 250 mi: 250 mi
Height Counter
None.
Range: 0 to 60,000 ft
Accuracy: plus or minus 250 ft
TECHNICAL DESCRIPTION
Power Supply
Input: 115v, 60 cps, 1-ph, 1560w, pf 85%
Azimuth-Elevation Range Indicator
Output
Pulse Repetition Frequency: 60 to 2000
Regulated: plus 220v dc, 1.3 amp
per sec
-180v dc, 360 to 120 ma
Internal-Trigger Frequency: 230 per sec
-350v dc, 25 ma
Trigger Input: 5 to 50v pos
115s ac, W.E amp
Video Input: 1 to 2.5v pos
Unregulated: 115v ac, 1.3 amp
Antenna and Trace Speed: 0 to 39 rpm
24v dc, 0.5 amp
Range Selection: I4 to 250 mi, B000 to
Voltage Regulator
500,000 yd continuously var.
Input: 115v, 55 to 65 cps, 1-ph, -1.3 amp
Range Accuracy: 300 to 10,000 yd plus or
Output: 115v regulated, 3.05 amp
minus 100 yd. 10,000 to 40,000 yd plus
or minus 1% of actual range. -10,000
INSTALLATION CONSIDERATIONS
to 100,000 yd plus or minus 2% of actual
range. 100,000 to 500,000 yd plus or
Related Equipment: AN/MPS-11A, AN/TPS-LD,
minus 3% of actual range.
AN/MSQ-3.
Bearing Accuracy: 20 at all antenna speeds.
(Equipment Required but not Supplied)
Presentation: 10-1/2 in. CR tube.
(1) Cable FLOP-3, (3) MHFF-10 (1) Oscil-
Radius of Display: 4.5 in.
loscope OS-5/U, OS-8/U, TS-239/U, (1)
Sweep Speed: I to 250 mi per radius, 48.8
Multimeter TS-352/U, TS-433A/U, (1) AC
to 3049 usec per radius, 0.0923 to 0.00148
Voltmeter, (1) Test Tools Set, AN/USM-3,
in. per usec
(1) Range Calibrator TS-573/U, (1) Tube
Table of Sweep Lengths
Tester TV-3/U or TV-7/U.
4 to 21 mi: at least 6 radii
21 to 2t mi: 125, mi
PRINCIPAL COMPONENTS AND PHYSICAL DATA
COMPONENT
QTY
HEIGHT
WIDTH
DEPTH
UNIT WT.
(Inches)
(Inches)
(Inches)
(Pounds)
Azimuth-Elevation-Range
1
47-1/8
37-7/8
28-1/8
Indicator IP-25,1/UPA-25
Power Supply PP-996/UPA-25
1
13
29-1/2
31-1/4
Voltage Regulator CN-231/UPA-25
1
16-3/16
12
14-7/8
Power Supply Case
1
17-5/8
35-3/4
40-1/2
CY-1517/UPA-25
Voltage Regulator Case 1 37-3/4 17-3/4 18-1/2
CY-1520/UPA-25
Indicator Case CY-1518/UPA-25
1
42-5/8
41
39
Plotting Set Case
1
19
17
16-5/c
CY-1519/UPA-25
AN/UPA-25: 2
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