15 December 1965
ITEM NAME: INDICATOR GROUP
used in a variety of radar systems applications.
Sweep Trigger Inputs
Amplitude: 5 to 75v peak (across 75 ohms).
RELATION TO SIMILAR EQUIPMENT
Pulse Width: 0.5 to 10 usec
to 1000 pps with up to 10 pct jitter.
Video Signal Inputs
Type: 120v plus or minus 10%, 2-wire
Amplitude: 1 to 2.5v peak (across 75
single ph, 400 cps plus or minus 35 cps
Voltage Tolerance: 2.5v (max fluctuation)
Pulse Width: Between 0.5 and 15,000 usec
Power Consumption: 800 w
Crest Factor: 1.4 plus or minus 10%
Azimuth Signal Inputs: 1 speed and 36
Form Factor: 1.11 plus or minus 5%
Transient Voltage Limits: Plus or minus
Range Pulse Output for Height Computation
30 pct for 3 seconds duration. Equip-
ment may stop operating but will re-
Amplitude: 10 plus or minus 3v peak
stabilize after proper voltage is
(across 75 ohms).
Pulse Width: 2 plus or minus 1 usec
Range Coverage: Variable from 25 to 375 mi
Azimuth Coverage: 360 deg or any sector.
to 600 pps
Range Accuracy: Plus or minus 1 pct or
Azimuth Information for Height Computation
0.5 mi, whichever is the greatest.
Gating: 1 speed and 36 speed, 400 cps
Azimuth Accuracy: Plus or minus 0.5 deg
synchro data for the cursor bearing.
Off-Centering Control: Continuously
variable up to 250 mi in any direction.
Displaced Cursor Control: The cursor
Siting: Sufficient space should be
origin can be located at any position
allowed for rear ventillation as well
on the display.
as adequate servicing room around all
Range Strobe Control: The range strobe
can be located at any position on the
Cabling Requirements: All external inter-
Height Finder Cursor Control: For
connection cabling must be supplied by
height finding information, the cursor
the installing activity (GEP).
origin can be preset to any location
Related Equipments: The AN/UPA-4b is
within a ten mile radius.
used with but not part of AN/MPS-16,
Delayed Sweep Control: The sweep origin
AN/FPS-26, AN/UPS-1, AN/TPS-21,
can be delayed any amount between O
AN/MSQ-3. Also, AN/UPA-48 is part
and 350 miles.
of AN/TPS-22 and AN/TPS-27.
PRINCIPAL COMPONENTS AND PHYSICAL DATA
Power Supply PP-3074/UPA-48
Indicator Group Case
REFERENCE DATA AND LITERATURE