Volume 1
MIL-HDBK-162A
Section 3
15 December 1965
ITEM NAME: INDICATOR GROUP
TYPE: AN/SPA-32(XN-1)
1% of actual range.
RELATION TO SIMILAR EQUIPMENT
72, 000 Yards to 160 Miles: plus or
The AN/SPA-32(XN-1) is similar to, but not
minus 2% of actual range.
interchangeable with AN/SPA-8A, modified by Hughes
Bearing Accuracy: Within 2 deg at all
Aircraft Company for use with Radar Set AN/SPS-26( ).
antenna speeds.
Antenna and Trace Rotation Speed: 15 and
TECHNICAL DESCRI PTION
30 rpm
Type of Indicator: Cathode ray tube type.
Trigger Input: 5 to 50v (pos)
Type of Scanning: Azimuth and range
Video Input: 1 to 4v (pos)
Type of Measurement Reading
Pulse Repetition Frequency: 485 to 3550
Azimuth: 0 to 360 deg
pps
Range: Marked in yds and mi
Power Factor: Approx 83%
Range Selection
Power Demand: 1950 va, 1620w (approx)
Centered PPI: 10 to 160 mi, continuously
Operating Power Requirements: 115v ac,
var.
60 cps, single ph
Off-Centered PPI: 10 to 160 mi, continu-
ously var.
INSTALLATION CONSIDERATIONS
Range Accuracy
Related Equipment: (Required but not
300 to 10, 00o Yards: plus or minus 100
Supplied) (2) Cable Type MSCA-10
yds
(Length as required); (2) Cable Type
10, 000 to 72, 000 Yards: plus or minus
MeSGA-3 (Length as required).
PRINCIPAL COMPONENTS AND PHYSICAL DATA
COMPONENTS
OVERALL DIMENSIONS
UNIT WT.
QTY
(Inches)
(Pounds)
Azimuth-Range Indicator IP-97B/SPA-8A
1
25.5 x 26.6 x 38
497
(w/modified AN/SPA-BA Unit)
Power Supply PP-56OA/SP
1
20.4 x 22.25 x 30.4
320
Power Transformer TF-129/SP
1
8.25 x 12.9 x 23.7
96
Electronic Equipment Modification Kit
1
12.67 x 18 x 19.34
75
MX-506171-100
Indicator Accessories
1
15.4 x 16.9 x 17.8
102
Set of Equipment Spares
1
12.1 x 15.69 x 36.93
212
Technical Manual NAVSHIPS 91737
2
1.5 x 9 x 11.5
5
Technical Manual NAVSHIPS 92970(A)
2
0.88 x 9.4 x 11.5
3
SHIPPING DATA
PKGS
UNIT WT.
(NR)
(Pounds)
1
1880
1
632
1
463
1
158
1
156
1
40
1
107
1
15
1
1
310
AN/SPA-32(XN-1): 2
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