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75 Cards in this Set

  • Front
  • Back
Where can you request maintenance assistance from for Radar Systems?
Tenders, Repair Ships, Mobile Technical Units (MOTUs), or NAVSEA field activities.
What are the 2 main functions of surface search and navigation radars?
(1) Detect surface targets and low-flying aircraft.
(2) Determine their range and bearing.
What are 3 most commonly used surface search and navigation radars in the us navy.
AN/SPS-67(V)
AN/SPS-64(V)9
AN/SPS-55
The AN/SPS-67(V)1 is the primary surface search and navigation radar, with limited air search capability for what types of ships?
AO / AOE / AOR / BB
CG / CGN / CV / CVN
DDG / FF / LCC / LHA
LHD / LPH / LSD / TAH
The AN/SPS-67(V)3 radar performs navigation, station keeping and general surface search duties on what class of ships?
DDG51 class ships
The AN/SPS-67(V)3 also supports the combat systems in what 2 combat missions?
Primary is (ASUW) quick reaction, automated target detection and track capability.

Secondary is (AAW) detects low elevation threats.
What kind of transmitter output tube is used by the AN/SPS-67(V) radar and at what frequency range does it operate?
Coaxial magnetron

5450 to 5825 MHz
To enhance radar performance what 3 pulse modes can the AN/SPS-67(V) operate in and what are their corresponding pulse repetition frequencies?
long (1.0%sec) / medium (0.25%sec) / short (0.10%sec)

750 / 1200 / 2400
What version of the AN/SPS-67(V) radar has a new, high data rate, nuclear survivable, low-profile antenna and pedestal assembly that replaces the AN/SPS-10?
AN/SPS-67(V)3
A dummy load can be mounted to what unit of the AN/SPS-67(V) radar?
The output of the receiver-transmitter unit.
The AN/SPS-67(V)1 radar will NOT
interface with which of the
following systems?

1. AN/USQ-82(V) / 2. AN/ALA-10( )
3. AN/SPA-25( ) / 4. AN/SPG-55B
1. AN/USQ-82(V)
Use of BIT circuitry in the
AN/SPS–67(V) radar will have what result?
It will locate 95% of failures to four possible modules within the receiver–
transmitter and video processor.
The AN/SPS-67(V) radar set operates continuously during the ship’s deployment. The responsibility for the organizational level maintenance falls on who?
The ship’s Electronics Technicians, (NEC ET-1507.)
The AN/SPS-64(V)9 radar is a two-dimensional (2D) navigation/surface search radar used as a primary radar on small combatants and various non-combatant ships. TRUE or FALSE?
TRUE
The AN/SPS-64(V)9 has a minimum detection range of __ yards on a radar cross-sectional target of __ square meters, __ feet above the surface of the water.
20 yards
10 square meters
3 feet
Which of the following information / support is available for the
AN/SPS–64(V)9 technician?
1. 2M Electronic Repair Program
2. Formal maintenance training
3. Technical Repair Standards
4. Support and Test Equipment
Engineering Program (STEEP)
2. Formal maintenance training
Which of the following radars was
developed to detect small surface
targets from a range of 50 yards to the radar horizon?
1. AN/SPS-40E
2. AN/SPS-55
3. AN/SPS-64(V)9
4. AN/SPS-67(V)3
2. AN/SPS-55
A radar video converter (RVC)
modification of the AN/SPS–55 was
developed for which class of ship?
1. DD–963
2. FFG–7
3. FFG–61
4. MCM-1
3. FFG–61
Which of the following missions is NOT supported by the AN/SPS–55 radar?
1. ASW
2. AAN
3. SPW
4. MOB
2. AAN
The AN/SPS–55 radar, without any
modifications, will interface with
which of the following systems?
1. MK XII IFF
2. AN/SLA–10
3. AN/SYS–2(V)2
4. AN/SYS–1
2. AN/SLA–10
A low-power condition in the AN/SPS-55 has what result?
The radar is automatically placed in standby mode and an indicator is activated at the RSC unit.
What are the 2 primary functions of air search radar?
1. detect aircraft targets at long ranges
2. determine their range and bearing.
Name some of the most widely used two-dimensional (2D) air search radars in the Navy?
AN/SPS-49(V)
AN/SPS-40B/C/D/E
AN/GPN-27(ASR)
What radar is the primary U.S. Navy
early warning air search 2D radar.
The AN/SPS-49(V)
The AN/SPS-49(V) is a very-long-range radar, and provides long-range air surveillance in severe clutter and jamming environments. TRUE or FALSE?
TRUE
What is the primary function of an
AN/SPS–49(V) radar?
1. Support of AAW
2. Backup to the weapon system
designation radar
3. Surface search
4. Navigation
1. Support of AAW (anti air warfare) mission.
Which of the following functions
is/are collateral to the
AN/SPS-49(V) radar’s primary
function?
1. ATC
2. AIC
3. ASAC
4. All of the above
4. All of the above
Which variant configurations of the AN/SPS-49(V) radar interface(s) with the AN/SYS–2(V) IADT system?
(V)7
(V)8
(V)9
What modification must be made to change the nomenclature of the AN/SPS-49(V)7 to (V)8?
The "Aegis Tracker" modification.

* Connects the 49 to the Aegis combat systems suite.
The AN/SPS–49(V) radar has how
many variant configurations?
nine
Which Navy Enlisted Classification code applies to the AN/SPS49(V)1,
(V)2, (V)3, (V)4, and (V)6 radars?
ET-1503
Which Navy Enlisted Classification code applies to the AN/SPS49(V)5,
(V)7, (V)8, and (V)9 radars?
ET-1510
What radar is the primary shipboard long-range, high-powered, two-dimensional (2D), air search radar?
AN/SPS-40B/C/D/E
The AN/SPS–40 nomenclature is
changed to AN/SPS–40E after
completion of what field change?
Field Change 11 (SSTX) solid state transmitter
The AN/SPS–40B/C/D/E radar
operates at what antenna rate for high data rate capabilities and what rate for long-range mode?
15 rpm and 7.5 rpm
The OMTI field change of the
AN/SPS-40B/C/D radar accomplishes what result?
Replaced the duplexer with a
solid state unit.
What Navy Enlisted Classification
code applies to the AN/SPS-40B/C/D
radar?
ET-1516
What Navy Enlisted Classification
code applies to the AN/SPS–40B/C/D radar with DMTI?
ET-1508
What Navy Enlisted Classification
code applies to the AN/SPS–40B/C/D radar with field change 11?
ET-1511
How often will antenna and
pedestal restoration be performed
on the AN/SPS–40B/C/D/E radar?
About every 3 years
What radar is used at NASs and MCASs to detect aitcraft within 60 nautical miles and generate plan position indicator (PPI) for aircraft control?
AN/GPN-27 (ASR-8)
The AN/GPN–27 radar antenna group provides constant radiation altitude coverage of how many degrees above the peak of the beam?
30 degrees
In the AN/GPN–27, what type of
video signals are provided to the processor unit by the receiver?
Normal video
Log video
Moving target indicator video
The operator of which type of
radar is able to control the antenna when searching in a target sector?
3D air search
What radar is a Precision Approach Landing System (PALS) for Carrier Controlled Approach (CCA)?
AN/SPN–46(V)
What radar is a Precision Approach Radar (PAR) for Ground-Controlled Approach (GCA)?
AN/FPN-63
What is installed at naval air stations for PALS training of flight crews, operators, and maintenance
personnel?
AN/SPN–46(V)2
How many aircraft can the
AN/SPN–46(V) control simul–
taneously and automatically during
the final approach and landing
phase of carrier recovery operations?
2
In which mode of operation does
the AN/SPN-46(V) transmit command and error signals via Link 4A for automatic control?
Mode 1
In which mode(s) of operation does
the AN/SPN-46(V) provide manual
control of the aircraft?
Modes 2 and 3
During Mode II operation of the
AN/SPN–46(V), the pilot receives
command and error information via
what medium?
Cockpit display
Which of the 26 units in the
AN/SPN–46(V)1 is/are not used by
the AN/SPN-46(V)2?
MK 16 stable elements (units
17 and 18)
Which unit of the AN/SPN–46(V)
automatically switches the
AN/TPX–42(V)8 into a master
computer configuration of the CCS?
Digital data switchboard (unit
14)
What radar set provides both azimuth and elevation data for precision approaches to aircraft carriers during adverse weather conditions.
AN/SPN-35
What radar is a surveillance and air traffic control radar used on carriers and amphibious-type ships?
AN/SPN-43
What radar is a range-rate radar set that computes, indicates, and records the speed of aircraft making a landing approach to the carrier?
AN/SPN-44
Which unit of the AN/SPN-46(V)
provides a maintenance intercom
for troubleshooting purposes?
PRI-FLI indicator control (unit 5)
Is the OCC (unit 2) of the AN/SPN–46(V) designed to test the system or to aid in troubleshooting?
NO
What radar is used at a naval air
station to replace the PAR portion
of the AN/CPN–4 family of equipment?
AN/FPN-63(V) and the trailer mounted version AN/MPN–23(V).
Which of the following radar
repeaters, if any, has range–only
capability?
1. Planned position indicator
2. A scope
3. RHI
4. None of the above
A scope
What 3 inputs is/are required for a radar repeater to be able to display a
detected target at the correct range and bearing?
Video
Triqger
Antenna position
What is the AN/SPA-25G?
It is an advanced, solid-state
(except the CRT display) radar indicator for both Combat Information Center (CIC) and bridge environments.
The electronic bearing circle
displayed around the AN/SPA–25G
has bearing markers labeled
every __ and numerically labeled every __.
5 degrees / 10 degrees
Can the AN/SPA-25G interface with any conventional search radar system and missile guidance system?
No, only search radar systems.
What does the Signal Data Converter CV-3989/SP (SDC) do?
The SDC combines various data inputs such as triggers, antenna azimuth, gyro-heading, and
speed or distance into a single digital data (RADDS) stream to be sent over a single coaxial cable.
What is the SB-4229/SP switchboard used for?
It provides selectable distribution of data from any Navy conventional search radar set.
The SB-4229/SP CPU-controlled switchboard can accept signals from 16 radar sets. TRUE or FALSE?
TRUE?
Which of the following radar
indicators is used to obtain
altitude information?
1. Planned position indicator
2. A scope
3. RHI
4. AN/SPA-25G
3. RHI
On an rhi, what is an indication of a target?
A vertical blip
How do you determine the target
height when using an rhi?
Adjust your height line; then read
from the altitude counters.
You are on an NTDS–equipped ship.
What function, if any, does the
AN/SPA-25G perform?
Backup radar indicator
x
x
Which radar repeater is used
primarily by maintenance personnel
to evaluate the operation of a
radar?
A scope
What radar display and distribution system configuration will be found on
90% of Navy ships?
AN/SPA–25G
CV–3989/SP
SB–4229/SP
NAVEDTRA 14089
ELECTRONICS TECHNICIAN
VOLUME 04
RADAR SYSTEMS
CHAP 2
NAVEDTRA 14089
ELECTRONICS TECHNICIAN
VOLUME 04
RADAR SYSTEMS
CHAP 2