MIL-HDBK-162A
Volume 1
15 December 1965
Section 1
ITEM NAME: INDICATOR GROUP
TYPE: AN/UPA-26(XN-1)
ft at angles above 1/2 deg
RELATION TO SIMILAR EQUIPMENT
Video Bandwidth: 6 mc
Video Input Impedance: 75 ohms
The AN/UPA-26(XN-1) is similar to AN/ SPA-9
Acceptable Trigger Pulse Repetition Rate:
except for packaging of components. It is designed to
400 to 650 pps
be used with, but not part of Radar Set AN/MPS-4.
Operating Frequency: 6275 to 6575 mc
Operating Power Requirements: 115v ac,
TECHNICAL DESCRIPTION
60 cps, 1-ph, 700w
Equipment Purpose: As general radar indi-
INSTALLATION CONSIDERATIONS
cator.
Range: 0 to 30 mi; O to 60 mi; O to 120
Related Equipment: (Required but not
mi; 30 to 60 mi; 69 to 90 mi (All mi
Supplied) (1) Radar Set AN/MPS-4; (1)
are naut)
Technical Manual for Radar Set AN/MPS-4,
Calibrated Height: 0 to 60,000 ft
NAVSHIPS 91373; (1) Technical Manual for
Height Measuring Ability:
AN/UPA-25, NAVSHIPS 91994; (1) Technical
Relative Accuracy: plus or minus 500 ft
Manual for MX-1104/MPS-4, NAVSHIPS 91770;
measured between two aircraft within
(1) Modification Kit MX-1104/MPS-4; (2)
same horizontal beamwidth of antenna
Indicator Groups AN/UPA-25.
with vertical separation between air-
craft not more than 2000 ft.
Absolute Accuracy: plus or minus 2000
PRINCIPAL COMPONENTS AND PHYSICAL DATA
COMPONENTS
QTY
OVERALL DIMENSIONS
UNIT WT.
(Inches)
(Pounds)
Range & Height Indicator
1
22-1/2 x 24 x 33
201
IP-200(XN-1)/UPA-26
Power Supply PP-911(XN-1)/UPA-26
1
22-1/2 x 24 x 33
256
Set of Equipment Spares
1
16-7/8 x 24-1/2 x 39-1/2
138
(16-C-170001-466)
REFERENCE DATA AND LITERATURE
Technical Manuals:
NAVSHIPS 91763(A)
AN/UPA-26(XN-1): 2
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