Radar History final

The History of RADARThe History of RADAR
&&
RCA Instrumentation RADAR’sRCA Instrumentation RADAR’s
NameName Chuck YoungChuck Young
TitleTitle Sr. Engineering PlannerSr. Engineering Planner

Copyright 2006 Lockheed MartinLockheed Martin MS2
But First…But First…
Why is Lockheed Martin going to talk aboutWhy is Lockheed Martin going to talk about
the history of radars and the RCAthe history of radars and the RCA
instrumentation radars?instrumentation radars?
Because Lockheed MartinBecause Lockheed Martin isis the old RCA…the old RCA…
only the name has changed…only the name has changed…
1954 to 19881954 to 1988
1988 to 19911988 to 1991
1992 to 19941992 to 1994
1992 to present1992 to present

Who are these guys ?Who are these guys ?
• They keep showing up at the IRSP meetings.. Who are theyThey keep showing up at the IRSP meetings.. Who are they
and what are they doing here ? And what do they knowand what are they doing here ? And what do they know
about radars ?about radars ?

• Richard Wombacher has been involved with radarsRichard Wombacher has been involved with radars
since 1964. His experiences are numerous andsince 1964. His experiences are numerous and
include the following:include the following:
– Worked aboard the Apollo space programWorked aboard the Apollo space program
recovery ships USNS Vanguard and USNSrecovery ships USNS Vanguard and USNS
Watertown operating the FPS-16 & CapriWatertown operating the FPS-16 & Capri
radars.radars.
– Installed, tested, and performed repairs andInstalled, tested, and performed repairs and
maintenance on numerous MPS-36, FPS-16,maintenance on numerous MPS-36, FPS-16,
Capri, MOTR, and other radars built byCapri, MOTR, and other radars built by
RCA/Lockheed Martin.RCA/Lockheed Martin.
– Has been instrumental in providing technicalHas been instrumental in providing technical
expertise to the MOTR users since 1987 whenexpertise to the MOTR users since 1987 when
testing began on the first system. That supporttesting began on the first system. That support
continues to this day.continues to this day.

• Chuck Young has been involved with the MOTRChuck Young has been involved with the MOTR
system since testing began in the lab in 1985.system since testing began in the lab in 1985.
– Has worked as the integration & testHas worked as the integration & test
technician on all five MOTR systems.technician on all five MOTR systems.
– Was the engineering liaison for the first MOTRWas the engineering liaison for the first MOTR
system at WSMR in 1988 by participating insystem at WSMR in 1988 by participating in
the customer acceptance tests on site for sixthe customer acceptance tests on site for six
months.months.
– Created training documents for the MOTRCreated training documents for the MOTR
system.system.
– Currently is the program manager for allCurrently is the program manager for all
MOTR support efforts at Lockheed Martin.MOTR support efforts at Lockheed Martin.
Oversees technical operations for all sparesOversees technical operations for all spares
provisions that have and are being built atprovisions that have and are being built at
Lockheed Martin.Lockheed Martin.
– Resolves obsolete parts issues.Resolves obsolete parts issues.

ra•dar (rā´ där.) n.ra•dar (rā´ där.) n.
RaRadiodio DDetectingetecting AAndnd RRanginganging
A device for determining the presence and location ofA device for determining the presence and location of
an object by measuring the time for the echo of aan object by measuring the time for the echo of a
radio wave to return from it and the direction fromradio wave to return from it and the direction from
which it returns.which it returns.
What is a RADAR ?What is a RADAR ?

RADAR – How it beganRADAR – How it began
18851885 Heinrich Hertz demonstrated experimentallyHeinrich Hertz demonstrated experimentally
that radio waves could be formed into beamsthat radio waves could be formed into beams
and that solid objects would reflect them.and that solid objects would reflect them.
Radio waves reflected back on itselfRadio waves reflected back on itself
created a “wave interference pattern”… thus thiscreated a “wave interference pattern”… thus this
pattern was evidence of a reflecting objectpattern was evidence of a reflecting object

19001900 Nicola Tesla continued the study of radio waves andNicola Tesla continued the study of radio waves and
in June of 1900 wrote:in June of 1900 wrote:
““ Stationary waves mean something more thanStationary waves mean something more than
telegraphy without wires to any distance. Fortelegraphy without wires to any distance. For
instance, by their use we may produce at will,instance, by their use we may produce at will,
from a sending station, an electrical effect in anyfrom a sending station, an electrical effect in any
particular region of the globe; we may determineparticular region of the globe; we may determine
the relative position or course of a moving object,the relative position or course of a moving object,
such as a vessel at sea, the distance traversed orsuch as a vessel at sea, the distance traversed or
its speed”its speed”
19031903 A German engineer, Christian HA German engineer, Christian Hüülsmeyer received alsmeyer received a
patentpatent for an “Obstacle Detector” using radio waves. Hefor an “Obstacle Detector” using radio waves. He
demonstrated his system to the German Navy but failed todemonstrated his system to the German Navy but failed to
develop interest because the range was limited to 1 mile.develop interest because the range was limited to 1 mile.
19251925 First reported use of pulsed radio energy to measureFirst reported use of pulsed radio energy to measure
distance was that of Gregory Breit and Merle Tuve ofdistance was that of Gregory Breit and Merle Tuve of
the Carnegie Institute. They successfully measuredthe Carnegie Institute. They successfully measured thethe
height of the conducting layers in the ionosphere usingheight of the conducting layers in the ionosphere using
pulsed radio waves.pulsed radio waves.

19281928 Robert Watson-Watt developed a cathode-rayRobert Watson-Watt developed a cathode-ray
direction finder capable of locating thunderstorms.direction finder capable of locating thunderstorms.
He continued his research in 1935 by using hisHe continued his research in 1935 by using his
system to determine locations of aircraft. Bysystem to determine locations of aircraft. By using hisusing his
equipment the RAF was able to vector theirequipment the RAF was able to vector their resources toresources to
areas where German aircraftareas where German aircraft were going towere going to dodo
bombing raids. After the war security restrictions werebombing raids. After the war security restrictions were liftedlifted
and he was given credit for developing Britain’sand he was given credit for developing Britain’s radarradar
along with thealong with the RAF.RAF.
19301930 Lawrence A. Hyland, engineer at the NavalLawrence A. Hyland, engineer at the Naval
Research Laboratory was experimenting withResearch Laboratory was experimenting with short-waveshort-wave
radio. Hyland thought he hadradio. Hyland thought he had equipmentequipment
problems because of signal fluctuations, but then heproblems because of signal fluctuations, but then he
observed that the problem occurred only when anobserved that the problem occurred only when an
airplane flew overhead. A development program wasairplane flew overhead. A development program was
started immediately and he received a patent forstarted immediately and he received a patent for
“System for detecting objects by radio”“System for detecting objects by radio”

19321932 RCA entered the field of RADAR and in 1937 hadRCA entered the field of RADAR and in 1937 had
the first microwave pulse radar system.the first microwave pulse radar system.
Testing of the new system was done on the roofTesting of the new system was done on the roof
of the RCA building in Camden, NJ.of the RCA building in Camden, NJ.
19371937 The Signal Corps at Ft. Monmouth, NJThe Signal Corps at Ft. Monmouth, NJ
demonstrated the ability to keep a flying aircraftdemonstrated the ability to keep a flying aircraft
in a searchlight directed by a radar positionin a searchlight directed by a radar position
finder.finder.
19371937 RCA developed the first ship borne radar calledRCA developed the first ship borne radar called
the “CXZ” and operated at 475 MHz. It wasthe “CXZ” and operated at 475 MHz. It was
installed aboard the USS Texas.installed aboard the USS Texas.
19391939 RCA produced 20 radars designated the CXAMRCA produced 20 radars designated the CXAM
for the Navy. It was an air search radar thatfor the Navy. It was an air search radar that
provided range and bearing information.provided range and bearing information.
19411941 Large scale production radar model “SA”Large scale production radar model “SA”
beganbegan in 1941 and by 1944in 1941 and by 1944 a total of 1,565a total of 1,565
units wereunits were built at the RCA Camden, NJ facility.built at the RCA Camden, NJ facility.
The “SA”The “SA” unit provided search of sea and air forunit provided search of sea and air for
navalnaval vessels.vessels.
Radar testing on the RCA rooftopRadar testing on the RCA rooftop
Model ‘SA’ radarModel ‘SA’ radar

19431943 RCA designed the SR-2 ship borne radar toRCA designed the SR-2 ship borne radar to
provide long range detection for larger ships.provide long range detection for larger ships.
The first two were installed aboard the USSThe first two were installed aboard the USS
Franklin Roosevelt & USS Midway. A total of 18Franklin Roosevelt & USS Midway. A total of 18
were produced.were produced.
19461946 The U.S. Army Signal corps successfully bouncedThe U.S. Army Signal corps successfully bounced
a radar signal off the moon. The experiment wasa radar signal off the moon. The experiment was
conducted in Belmar, NJ using an antenna arrayconducted in Belmar, NJ using an antenna array
of 64 dipoles.of 64 dipoles.
SR-2 DiagramSR-2 Diagram
Actual A-Scope trace of moon echoActual A-Scope trace of moon echo

19461946 RCA began work on the “Bumblebee” radarRCA began work on the “Bumblebee” radar
project in Camden, NJ. This was an integratedproject in Camden, NJ. This was an integrated
radar system and the design goal was forradar system and the design goal was for
guided missiles and tracking of enemyguided missiles and tracking of enemy
targets.targets.
The “Bumblebee” radar program was theThe “Bumblebee” radar program was the
forerunner to the instrumentation radarforerunner to the instrumentation radar
industry.industry.
By the early 1950’s when RCA beganBy the early 1950’s when RCA began
work on the development of the AN/FPS-16work on the development of the AN/FPS-16
radar’s it was decided that a new facilityradar’s it was decided that a new facility
would be needed. Inwould be needed. In 1953 RCA Moorestown,1953 RCA Moorestown,
NJ (just up the road from the Camden, NJNJ (just up the road from the Camden, NJ
facility) was opened and became the placefacility) was opened and became the place
where all the RCA instrumentation radarswhere all the RCA instrumentation radars
would be built and tested.would be built and tested. Bumblebee RadarBumblebee Radar

What is an Instrumentation Radar?What is an Instrumentation Radar?
• The purpose of an instrumentation radar is as follows:The purpose of an instrumentation radar is as follows:
• Accurate position data of the object(s) being tracked by theAccurate position data of the object(s) being tracked by the
radar in real time for range safety.radar in real time for range safety.
• Post mission data can be further analyzed for greater detailPost mission data can be further analyzed for greater detail
on the performance of the object being trackedon the performance of the object being tracked
• Impact predictionImpact prediction
• Cross section and/or signature information analysisCross section and/or signature information analysis

Why was it needed ?Why was it needed ?
• In the early days of post World War II, the determination of theIn the early days of post World War II, the determination of the
performance of the various missiles under test depended solelyperformance of the various missiles under test depended solely
upon modified equipment originally developed for anti-aircraft gunupon modified equipment originally developed for anti-aircraft gun
direction.direction.
• By the early 1950’s, the Government recognized that a radarBy the early 1950’s, the Government recognized that a radar
specifically designed for instrumentation was required, and thespecifically designed for instrumentation was required, and the
Bureaus of Aeronautics of the Navy Department was designatedBureaus of Aeronautics of the Navy Department was designated
the central procurement agency for all the services.the central procurement agency for all the services.

What was the first one?What was the first one?
• Because of its experience in precision radars for the BUMBLEBEEBecause of its experience in precision radars for the BUMBLEBEE
program, RCA was chosen to develop the new instrumentationprogram, RCA was chosen to develop the new instrumentation
radar. Design work was begun and the result was the first trueradar. Design work was begun and the result was the first true
instrumentation radar, the AN/FPS-16 (XN-1).instrumentation radar, the AN/FPS-16 (XN-1).
• In 1954 the U.S. Army Signal Corps sponsored two productionIn 1954 the U.S. Army Signal Corps sponsored two production
prototypes of a much more elaborate version, the AN/FPS-16 (XN-prototypes of a much more elaborate version, the AN/FPS-16 (XN-
2). This procurement became the forerunner to the production2). This procurement became the forerunner to the production
AN/FPS-16 radars for which 52 were built and sold.AN/FPS-16 radars for which 52 were built and sold.

RCA / Lockheed MartinRCA / Lockheed Martin
Instrumentation RADARsInstrumentation RADARs
A quick look at each of the instrumentation radars thatA quick look at each of the instrumentation radars that
have been built by RCA (Lockheed Martin)have been built by RCA (Lockheed Martin)

AN/FPQ-4AN/FPQ-4
• USN Bumblebee/land-USN Bumblebee/land-
based TALOS usedbased TALOS used
monopulse tracking,monopulse tracking,
conical lobing forconical lobing for
capture, and skewcapture, and skew
lobing for guidance.lobing for guidance.
4 built 19504 built 1950

AN/FPS-16AN/FPS-16
• First specifically designedFirst specifically designed
instrumentation radarinstrumentation radar
with monopulse feedwith monopulse feed
• 12-ft dish12-ft dish
• 1.0 Mw power1.0 Mw power
52 built 1955 to 196952 built 1955 to 1969

FPS-16FPS-16
ConsoleConsole
FPS-16FPS-16
IntegratedIntegrated
ConsoleConsole
FPS-16 HydraulicFPS-16 Hydraulic
Pedestal / 16ft dishPedestal / 16ft dish
AN/FPS-16AN/FPS-16

AN/MPS-25AN/MPS-25
• Mobile version of theMobile version of the
AN/FPS-16AN/FPS-16
7 built 1956 to 19667 built 1956 to 1966

AN/MPS-25AN/MPS-25
MPS-25MPS-25
TransmitterTransmitter
MPS-25MPS-25
ElectronicsElectronics

AN/FPQ-6AN/FPQ-6
• Missile PrecisionMissile Precision
Instrumentation RadarInstrumentation Radar
(MIPIR), first with(MIPIR), first with
embedded,embedded,
programmableprogrammable
computer, 20-bit anglecomputer, 20-bit angle
encoders, cassegrainencoders, cassegrain
antenna feedantenna feed
• 29-ft antenna29-ft antenna
• 3.0 Mw power3.0 Mw power
5 built 1958 to 19645 built 1958 to 1964

AN/FPQ-6AN/FPQ-6
Receiver ControlReceiver Control
I/O device for the RCAI/O device for the RCA
4101 computer4101 computer
ConsoleConsole

AN/TPQ-18AN/TPQ-18
• Re-locatable version ofRe-locatable version of
the AN/FPQ-6the AN/FPQ-6
6 built 1958 to 19676 built 1958 to 1967

AN/TPQ-18AN/TPQ-18
Graphic of transportableGraphic of transportable
modulesmodules

TRADEXTRADEX
• Computer controlledComputer controlled
special purpose satellitespecial purpose satellite
tracking radartracking radar
• Still in operation onStill in operation on
Kwajalein IslandKwajalein Island
• Used on Anti-BallisticUsed on Anti-Ballistic
Missile testing andMissile testing and
space surveillancespace surveillance
• 84-ft antenna84-ft antenna

AN/FPS-105AN/FPS-105
• Compact all-purposeCompact all-purpose
range instrumentrange instrument
(CAPRI). First integrated(CAPRI). First integrated
circuit instrumentationcircuit instrumentation
radarradar
5 built 1962 to 19695 built 1962 to 1969

AN/MPS-36AN/MPS-36
• First instrumentationFirst instrumentation
radar with built-in pulseradar with built-in pulse
doppler, featured rapiddoppler, featured rapid
change from mobile tochange from mobile to
operational statusoperational status
14 built 1966 to 197314 built 1966 to 1973

AN/MPS-36AN/MPS-36
Electronics VanElectronics Van
ConsoleConsole
PedestalPedestal

AN/TPQ-39 DIRAN/TPQ-39 DIR
• Digital InstrumentationDigital Instrumentation
Radar (DIR), firstRadar (DIR), first
instrumentation radar toinstrumentation radar to
use digital computer touse digital computer to
provide radar subsystemprovide radar subsystem
functionsfunctions
5 built 1971 to 19775 built 1971 to 1977

AN/TPQ-39(V) NIDIRAN/TPQ-39(V) NIDIR
• Variant of the AN/TPQ-Variant of the AN/TPQ-
39, radar uses antenna39, radar uses antenna
pedestal of the Nikepedestal of the Nike
Hercules and DIRHercules and DIR
techniques. Known astechniques. Known as
the NIDIRthe NIDIR
11 built 1974 to 1979 &11 built 1974 to 1979 &
19831983

AN/TPQ-39(V) HADIRAN/TPQ-39(V) HADIR
• Variant of the AN/TPQ-Variant of the AN/TPQ-
39, uses39, uses
antenna/pedestal andantenna/pedestal and
transmitter designs fromtransmitter designs from
the AN/FPS-16 radarsthe AN/FPS-16 radars

AN/MPS-39 MOTRAN/MPS-39 MOTR
• Pedestal mountedPedestal mounted
phased array multiplephased array multiple
tracking radar featuringtracking radar featuring
inertialess beaminertialess beam
pointing, high power,pointing, high power,
low sidelobeslow sidelobes
• Can track up to 40Can track up to 40
objects simultaneously.objects simultaneously.
5 built 1988 to 19945 built 1988 to 1994

MOTRMOTR
ConsolesConsoles
MOTR at VAFBMOTR at VAFB
with FPS-16with FPS-16
MOTR atMOTR at
WSMRWSMR
ElectronicsElectronics
VANVAN

A look into MOTR from start to finish!A look into MOTR from start to finish!

Techniques IntroducedTechniques Introduced
• 1955 – Monopulse feed on AN/FPS-16 Instrumentation Radar1955 – Monopulse feed on AN/FPS-16 Instrumentation Radar
• 1958 – Nth time-around digital range machine (DIRAM)1958 – Nth time-around digital range machine (DIRAM)
• 1959 – Cassegrain antenna feed, 20-bit encoders, dynamic1959 – Cassegrain antenna feed, 20-bit encoders, dynamic
digital error correction, circular antenna polarization.digital error correction, circular antenna polarization.
• 1960 – First shipboard installed AN/FPS-16 with ship motion1960 – First shipboard installed AN/FPS-16 with ship motion
compensationcompensation
– Eight additional radars were ship mounted: 3 FPS-16’s, 1
MPS-25, 2 FPQ-4s and 2 FPS-105s
• 1960 – Computer controlled closed servo-loop angle tracking :1960 – Computer controlled closed servo-loop angle tracking :
Feature of TRADEX (Target Resolution and DiscriminationFeature of TRADEX (Target Resolution and Discrimination
Experiment) radar.Experiment) radar.

• 1960 – Common aperture, multi-frequency feed antenna1960 – Common aperture, multi-frequency feed antenna
• 1962 – Pulse Doppler1962 – Pulse Doppler
• 1962 – First integrated circuit instrumentation radar, AN/FPS-1051962 – First integrated circuit instrumentation radar, AN/FPS-105
(CAPRI)(CAPRI)
• 1963 – “On-axis” tracking and star calibration. “Feed-forward”1963 – “On-axis” tracking and star calibration. “Feed-forward”
tracking techniques to improve tracking accuracy.tracking techniques to improve tracking accuracy.
• 1964 – Monopulse, single-horn, high gain antenna feed1964 – Monopulse, single-horn, high gain antenna feed
• 1968 – First instrumentation radar with built in pulse doppler1968 – First instrumentation radar with built in pulse doppler
(AN/MPS-36)(AN/MPS-36)
• 1971 – Digital computer supervised instrumentation radar1971 – Digital computer supervised instrumentation radar
(AN/TPQ39(v) DIR(AN/TPQ39(v) DIR

• 1975 – Combined microwave radar and laser tracker system1975 – Combined microwave radar and laser tracker system
• 1975 – Combined digital radar with Nike-Hercules antenna1975 – Combined digital radar with Nike-Hercules antenna
subsystemsubsystem
• 1978 – Solid state subsystem modernization retrofits to existing1978 – Solid state subsystem modernization retrofits to existing
radars (range trackers, data subsystems, receivers, servoradars (range trackers, data subsystems, receivers, servo
systems, etc.)systems, etc.)
• 1980 – Off-line star calibration for precision measurement radar1980 – Off-line star calibration for precision measurement radar
and optical equipmentand optical equipment
• 1983 – Solid state , computer generated “smart” displays.1983 – Solid state , computer generated “smart” displays.
• 1984 – First phased array Instrumentation radar (MOTR)1984 – First phased array Instrumentation radar (MOTR)

Multiple Object Tracking Radar - MOTRMultiple Object Tracking Radar - MOTR
Current Lockheed Martin Support ActivityCurrent Lockheed Martin Support Activity
• Provides on-site & off-site technical assistance during programmedProvides on-site & off-site technical assistance during programmed
depot maintenance operations via BAE Systems.depot maintenance operations via BAE Systems.
• Provides technical support for emergency & non emergency situationsProvides technical support for emergency & non emergency situations
to the MOTR community via BAE Systems.to the MOTR community via BAE Systems.
• Resolve obsolete parts issues to facilitate the construction of spareResolve obsolete parts issues to facilitate the construction of spare
assemblies for the MOTR system.assemblies for the MOTR system.
• Maintains the master documentation for the MOTR system such asMaintains the master documentation for the MOTR system such as
drawings and schematics and incorporates changes for obsolete partsdrawings and schematics and incorporates changes for obsolete parts
issues resolved.issues resolved.
• Maintains the master source files for the MOTR operating software.Maintains the master source files for the MOTR operating software.

Lockheed Martin Support Activity (Cont.)Lockheed Martin Support Activity (Cont.)
Spare assemblies built sinceSpare assemblies built since
1999:1999:
• 8361150-5018361150-501 RF ReceiverRF Receiver
• 8361373-5018361373-501 Darlington Transistor AssyDarlington Transistor Assy
• 8361372-5018361372-501 Darlington Transistor Assy 2Darlington Transistor Assy 2
• 8361275-5018361275-501 Series Buck SWSeries Buck SW
• 8361277-5018361277-501 SCR Control RectifierSCR Control Rectifier
• 8693923-5018693923-501 Xmtr Control Panel InterfaceXmtr Control Panel Interface
• 8361678-5028361678-502 Fiber Optic InterfaceFiber Optic Interface
• 8694794-5018694794-501 Xmtr Manifold Assy.Xmtr Manifold Assy.
• 8693896-5018693896-501 BSC Beam Timing ISEMBSC Beam Timing ISEM
ModuleModule
• 8361276-5018361276-501 FPA InverterFPA Inverter
• 8361296-5018361296-501 Beam Voltage RegulatorBeam Voltage Regulator
• 8693934-5018693934-501 Console Interface PlatterConsole Interface Platter
• 8361279-5018361279-501 Xmtr Driver Buck SWXmtr Driver Buck SW
• 8693190-5018693190-501 Receive Module AReceive Module A
• 8693648-5018693648-501 Receive Module BReceive Module B
• 8693187-5018693187-501 Transmit Module ATransmit Module A
• 8694322-5018694322-501 Transmit Pulse GenTransmit Pulse Gen
• 8693712-5018693712-501 Channel PlatterChannel Platter
• 8693826-5018693826-501 Detector PlatterDetector Platter
• 8361573-5018361573-501 Aux Detector PlatterAux Detector Platter
• 8361690-5018361690-501 AFC Detector UnitAFC Detector Unit
• 8693893-5018693893-501 Serial OP ISEMSerial OP ISEM
• 8693905-5018693905-501 BITE ISEM moduleBITE ISEM module
• 8361123-5018361123-501 Oscillator UnitOscillator Unit
• 8280466-28280466-2 LNA’s for RF Recv.LNA’s for RF Recv.
• 8394792-5018394792-501 Xmit Logic 1Xmit Logic 1
• 8361296-5018361296-501 Beam Voltage RegulatorBeam Voltage Regulator
• 8361277-5018361277-501 SCR Control RectifierSCR Control Rectifier

In house repairs:In house repairs:
Currently three Analog Data Converters (p/n 6128191) are at LockheedCurrently three Analog Data Converters (p/n 6128191) are at Lockheed
Martin for repair (1 from BAE & 2 from ITT). In all three units the repairsMartin for repair (1 from BAE & 2 from ITT). In all three units the repairs
require parts which have become obsolete.require parts which have become obsolete.
The resolution to these parts issues has been identified and materials areThe resolution to these parts issues has been identified and materials are
on order.on order.

LM is working with White Sands MissileLM is working with White Sands Missile
Range on the development of a new consoleRange on the development of a new console
for the MOTR system. Lockheed Martin isfor the MOTR system. Lockheed Martin is
performing the software modificationsperforming the software modifications
necessary in order to port the MOTR datanecessary in order to port the MOTR data
through a reflective memory interface of thethrough a reflective memory interface of the
Encore computer to a PC/fiber opticEncore computer to a PC/fiber optic
interface.interface.
This new console and remote interfaceThis new console and remote interface
capability allow for modern real time 3-Dcapability allow for modern real time 3-D
graphics on the PC displays and also allowsgraphics on the PC displays and also allows
for remote control capability of the MOTRfor remote control capability of the MOTR
system.system.
This system even allows for remoteThis system even allows for remote
calibration and tests on the radar.calibration and tests on the radar.

MOTR Console Screen ShotMOTR Console Screen Shot

RADAR AdvancementsRADAR Advancements
Lockheed Martin continues to advance the development of radarLockheed Martin continues to advance the development of radar
technology. Since the time the last MOTR system left our doors wetechnology. Since the time the last MOTR system left our doors we
have continued to work on programs for domestic and foreignhave continued to work on programs for domestic and foreign
customers. Some of our achievements during the past 5 yearscustomers. Some of our achievements during the past 5 years
include:include:
• Transmitters leveraging the use of COTS power supplies and LockheedTransmitters leveraging the use of COTS power supplies and Lockheed
Martin modular sub-systems. The transmitters features the use of aMartin modular sub-systems. The transmitters features the use of a
graphical user interfaces for control and data logging, a patented solid stategraphical user interfaces for control and data logging, a patented solid state
beam voltage regulator , and much greater reliability.beam voltage regulator , and much greater reliability.
• An S band Active Array antenna design with a working development modelAn S band Active Array antenna design with a working development model
now installed and operating in the very same spot the MOTR system wasnow installed and operating in the very same spot the MOTR system was
first developed and tested at Moorestown, NJfirst developed and tested at Moorestown, NJ
• Solid State X band CW transmitterSolid State X band CW transmitter
• 300 KW S band transmitter able to achieve 12% duty cycle300 KW S band transmitter able to achieve 12% duty cycle
• Small System Processor (SSP).. A system processor that can be adapted toSmall System Processor (SSP).. A system processor that can be adapted to
S, L, C, or X bands. Features the use of COTS equipment integrated in anS, L, C, or X bands. Features the use of COTS equipment integrated in an
open architecture design. Radar data is transmitted via a FibreXtreme highopen architecture design. Radar data is transmitted via a FibreXtreme high
speed optical interface.speed optical interface.

Current ProjectsCurrent Projects
Phased array WX radarPhased array WX radar
1 MW Xmtr –1 MW Xmtr –
COTSCOTS
suppliessupplies
Long Range SurveillanceLong Range Surveillance
radarradar
Counter Battery RadarCounter Battery Radar

The proud team …The proud team …

Lockheed MartinLockheed Martin
We never forget who we are workingWe never forget who we are working
for…for…
Customer support is our primaryCustomer support is our primary
focus…focus…

Radar History final

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