Brochure ExhiReg1533299 Easat Main Brochure

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    AIR TRAFFIC CONTROL RADAR - Military - Transportable 2AIR TRAFFIC CONTROL RADAR - Fixed Terminal Area 4AIR TRAFFIC CONTROL RADAR - Civil Terminal Area 6AIR TRAFFIC CONTROL RADAR - Secondary Surveillance 8SURFACE MOVEMENT RADAR - Linear Array 10SURFACE MOVEMENT RADAR - Reflector 12COASTAL SURVEILLANCE RADAR - 7.5 m Reflector 14COASTAL SURVEILLANCE RADAR - 5.5 m Reflector 16PORT SURVEILLANCE RADAR - EA7401 Linear Array 18SPECIALIST MILITARY APPLICATIONS 20ROTATING PEDESTALS 22

    TURNKEY RADAR SYSTEMS AND PROJECT PARTNERSHIPS 24CIVIL CONSTRUCTION AND SITE ENGINEERING 26RADAR SITE SURVEY AND CONSULTANCY 28DESIGN CAPABILITY 30MANUFACTURING CAPABILITY 32TESTING AND QUALITY 34RADAR ANTENNA GUIDE - Systems Overview 36RADAR PERFORMANCE - Sea Surface Surveillance 37PERFORMANCE COMPARISON BY RADAR TYPE - Air Surveillance 38RADAR PERFORMANCE - Airport Surface Surveillance 39RF DATA 40

    WAVEGUIDE DATA 41RADAR DATA 42EASAT CONTACTS 44EASAT INSTALLATIONS WORLDWIDE 45

    Easat is a subsidiary of Goodwin Plc, and was incorporated into the Group in1987. The Goodwin Coat of Arms was awarded in 1983 by the London Collegeof Arms.

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    1

    Photograph: Easat Linear Array at Orlando Airport

    This brochure illustrates radar sensors, antennas and site installations supplied by Easat to its worldwide customers. Easat is a proven supplier of commercial, off-the-shelf (COTS) and bespoke equipment. The design and manufacturing facilities featured here introduce Easats extensive capabilities.

    Easat Antennas Ltd, based in Stoke-on-Trent(UK), was founded in 1987 as a specialistprovider of radar antennas and sensors. Sincethat time, Easat has established a reputation asa world-leading supplier of advanced array andreflector antennas for use in radar surveillanceof air, ground and sea targets for airport, port,border security and military applications.

    With over 120 installations worldwide, Easatsreputation for supplying cost-effective, highperformance antennas with proven reliabilityhas led to many end users and consultantsspecifying Easat antennas on their projects.

    With users and customers including FAA(USA),NATS (UK), Transport Canada, Government ofMalaysia, UK MOD, Lockheed Martin andRaytheon, configuring systems with Easatproducts ensures the highest confidence ofachieving performance requirements, on timeand on budget.

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    Air Traffic Control Radar Military - Transportable

    2

    Illustrated in the main picture opposite is Easats TacticalDeployable Air Surveillance Antenna. This type of antenna canbe supplied either trailer-mounted or palletised. The antennasystem is self-contained and capable of being transported byship, aeroplane, helicopter or by being towed to site.The design provides for rapid deployment in less than 30minutes from arrival at the operating location.

    The palletised version (shown on opposite page in the deployedmode) has 4-ISO corner locations on the pallet for transportation by standard road transport or purpose-builttrailer. The Trailer version shown below in the transport modehas a weight of 1954 kg.

    The antenna is a dual frequency band, carbon fibre composite-based reflector which operates at S-band (2.7-2.9 GHz) andL-band (1.0-1.1 GHz). Three states of polarisation (linear horizontal, left-hand circular and right-hand circular) areprovided for S-band beam by use of polarisation-switchingcapability. At L-band, the antenna operates in IFF/SSR by useof three beams: sum, difference and omni. These featurescombine to provide leading-edge RF performance from theantenna system.

    Deployment Data

    Design weight of antenna/trailer system 4300 lbs

    Max section weight to lift during erection 72 lbs

    Assembly by 2 persons (wi thout g round anchors) 30 mins

    Operational Capacity

    Max operational wind speed (including gust) 60 knots

    Operating temperature range -40 C to +55 C

    S-Band AzimuthPattern

    S-Band ElevationPattern

    L-Band AzimuthPattern

    Photograph Centre: Easat Trailer-mounted Tactical Antenna, in thetransport modePhotograph Opposite: Easat Pallet-mounted Tactical Antenna, in thedeployed mode

    d B

    d B

    d B

    Angle (degrees)

    Angle (degrees)

    Angle (degrees)

    L-Band ElevationPattern

    d B

    Angle (degrees)

    AzimuthPattern dB

    MainBeam dB

    Aux Beam dB

    Sun Beam dBDiff Beam dB

    Sun Beam dB

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    The high-performance Easat EA5325 Primary Surveillanceshaped reflector radar antenna is designed to provide localor terminal area coverage, using a modified cosec 2elevation pattern to in excess of 40 elevation angle.The antenna is suitable for worldwide deployment and offersextreme versatility, being capable of operating with aco-mounted MSSR without the need for a radome, even inharsh icing conditions. This antenna can be supplied with singleor dual motor drives, and a variety of encoder and rotary jointoptions, including Inductosyn .

    Photograph Centre: Easat - EA5325 Antenna and MSSR Antenna onthe ASR-E ProgrammePhotograph Opposite: Harrier Jets in low-flight training exercise, UK

    The antenna operates at S-band (2.7-2.9 GHz) and provides

    a dual-beam receive capability to enhance high-angleperformance, whilst minimising short range ground returns.The two beams point at different elevation angles, the mainbeam being a high-power transmit and receive beam, with theauxiliary beam used on receive only. Switchable polarisation isprovided as standard using a rotating polariser. In circular polarisation mode, a weather channel (receive only) is providedon both beams, which can be optionally selected via a fast(40 ns) PIN diode switch, or alternatively provided withseparate rotating joint channels. The antenna offers 34 dB ofgain as standard, an industry-leading performance given thehigh back-angle coverage provided.

    General and Mechanical

    Wei ght (i nc lu di ng Pe des ta l) 3 30 0 kg (P SR on ly )

    3760 kg (PSR and MSSR)

    Maximum Swept Radius 3.4 m

    Rotation Rate Typically 15 rpm

    Design Life 20 years

    Environmental

    Operational Wi nd Speed 140 km/hr wi th 10 mm ice

    Survival Wind Speed 240 km/hr with 40 mm ice

    Humidity 100%

    O per ati on al Te mp era tu re -3 0 C t o +7 0 C i nc lu di ng 18 s ol ar

    -50C to +70C (optional)

    Protection Suitable for Coastal Environment

    S-Band Main BeamAzimuth Pattern at 2.8 GHz, CP

    S-Band ElevationPattern Main andAuxiliary Beamat 2.8 GHz, CP

    Electrical

    Main Auxiliary

    Gain (at rotary joint) 34 dBi 32 dBi

    VSWR 1.4:1

    Circular Polarisation 20 dB min ICR in principal

    azimuth and elevation planesAzimuth Beamwidth 1.5 0.1

    Azimuth Sidelobes -26.0 dB (0 to 10)-32.5 dB (10 to 30)

    -35.0 dB (30 to 180)

    Elevation Beamwidth (-3 dB) 4.5 n ominal 6.0 n ominal

    Vertical Beam Separation 5.5 1 betweenAux and Main beam peak

    Air Traffic Control Radar Military and Civil - Fixed Terminal Area

    d B

    Angle (degrees)

    d B

    Angle (degrees)

    Main BeamAux Beam

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    Air Traffic Control Radar Civil Terminal Area

    d B

    Angle (degrees)

    d B

    Angle (degrees)

    Main BeamAux Beam

    6

    Photograph Centre: Easat EA5025 Composite PSRPhotograph Opposite: Busy airport approach

    The antenna operates at S-band (2.7-2.9 GHz) and provides adual-beam receive capability to enhance high-angleperformance (up to 40) whilst minimising short-range groundreturns. The two beams point at different elevation angles, themain beam being a high-power transmit and receive beam withthe auxiliary beam used on receive only. Three states ofpolarisation (linear horizontal, left-hand circular and right-handcircular) can be provided for each beam by use of a standardpolarisation-switching capability. The antenna offers 33.5 dB ofgain as standard, and has excellent beam-shaping and sidelobecontrol. A weather channel output can be made available incircular polarisation state.

    General and Mechanical

    Wei ght (i nc lu di ng Pe des ta l) 3 84 6 kg (P SR on ly )

    4300 kg (PSR and MSSR)

    Maximum Swept Radius 2.72 m

    Rotation Rate Typically 15 rpm

    Design Life 20 years

    Environmental

    Operational Wi nd Speed 157 km/hr wi th 10 mm ice

    Survival Wind Speed 240 km/hr with 40 mm ice (on PSR)

    Humidity 100%

    O per ati on al Te mp era tu re -3 0 C t o +7 0 C i nc lu di ng 18 s ol ar

    -50C to +70C (optional)

    Protection Suitable for Coastal Environment

    S-Band Main BeamAzimuth Pattern at 2.8 GHz, CP

    S-Band ElevationPattern Main andAuxiliary Beamat 2.8 GHz, CP

    Electrical

    Main Auxiliary

    Gain (at rotary joint) 33.5 dBi 30.5 dBi

    VSWR Average 1.4:1Peaks not exceeding 1.5:1

    Circular Polarisation 20 dB min ICR in principalazimuth and elevation planes

    Azimuth Beamwidth 1.5 0.1

    Azimuth Sidelobes -25.0 dB (0 to 10)-28.0 dB (10 to 30)

    -30.0 dB (30 to 180)

    Elevation Beamwidth (-3 dB) 5.0 n ominal 7.0 n ominal

    Vertical Beam Separation 3.0 1 betweenMain and Aux beam peak

    The high-performance carbon fibre composite Easat EA5025shaped reflector Primary Surveillance Radar antenna designprovides airport local or terminal area air surveillance to anominal 60 mile range. Retaining many of the features of thelarger Easat EA5325, the Easat EA5025 is a more compactdesign, offering a cost-effective alternative. High back-anglecoverage is retained to ensure system performance can beprovided at both short and long ranges. The antenna isextremely versatile, being capable of being operated with aco-mounted MSSR. It can be supplied with single or dual drivemotors, and a variety of encoder and rotary joint options,including Inductosyn . The use of these options ensurescompliancy to the most stringent operating standards.

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    Air Traffic Control Radar Secondary Surveillance

    8

    Easats high-gain open planar SSR/IFF array meets theworldwide LVA antenna requirements and is offered as astand-alone version (shown below) or co-mounted onto EasatsEA5325 or EA5025 Primary Surveillance antennas, as illustratedopposite. Available in either Standard (single beam) or Monopulse configurations, the antenna offers a shapedelevation pattern, a sharp horizon rolloff and superior gain,providing excellent system performance and reduced groundillumination. This antenna is Mode S compatible (Level 2).The antenna is operational worldwide.

    Photograph Centre: Portuguese Air Force MSSR, installed by EasatPhotograph Opposite: Easat EA5325 Antenna with co-mounted MSSR

    Mechanically, the unit offers an open-antenna structure for lowwind loadings, encapsulated dipole columns for superior weather protection, and a turning unit capable of operations insevere environments with temperatures as low as -50 C.

    The EP0409 turning unit is available in single or dual driveconfigurations, with highly accurate single or dual azimuthencoders or Inductosyn . The azimuth accuracy offered by thissystem meets or exceeds all current worldwiderecommendations for redundancy and azimuth accuracy fromthis type of equipment.

    General and Mechanical

    Wei ght (i nc lu di ng Pe des ta l) 1 370 kg (S in gl e D ri ve )

    1540 kg (Dual Drive)

    Optional Stand 450 kg

    Maximum Swept Radius 4.09 m

    Rotation Rate Typically 5 to15 rpm

    A zi mu th M ea su re me nt 1 3- or 1 4- bi t O pti ca l S ha ft En co der (s )

    Inductosyn

    Redundancy Options Dual Motors; Dual Encoders

    Design Life 20 years

    Environmental

    O per ati on al Wi nd S pee d 1 60 k m/h r w ith 12 .7 m m ra di al ic e

    Survival Wind Speed 231 km/hr with 12.7 mm radial ice

    Humidity 5% to 100%

    O per ati on al Te mp era tu re -3 0 C t o +7 0 C i nc lu di ng 18 s ol ar -50C to +70C (optional)

    Protection Suitable for Coastal Environment

    Elevation Pattern

    Azimuth Pattern

    Electrical

    Transmit Frequency 1030 3.5 MHz

    Receive Frequency 1090 3.5 MHz

    VSWR (all channels) 1.5:1

    Impedance 50 ohms

    Power Handling Capacity 10 kW peak, 100 W average

    Polarisation (all channels) Vertical

    Cross Polari sation (al l channels) 30 dB b elow Sum peak

    Gain 27 dBi min

    Azimuth Patterns

    Sum Pattern 3 dB Beamwidth 2.4 0.25

    Su m o r D iff Ma xi mu m S id el ob e Le ve l 2 5 d B b el ow p ea k

    Sum/Diff Pattern Crossover Points -3 0.5 dB

    SLS Coverage of Sum Sidelobes 4 dB min

    d B

    Angle (degrees)

    d B

    Angle (degrees)

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    Surface Movement Radar Linear Array

    10

    Easat have designed a range of high-performance, low-costLinear Array antennas specifically for Ground MovementRadar Control at airports.

    The Easat Linear Array antenna EA6501 is targeted at the SMRmarkets in the USA. The model EA7401M is targeted at theSMR markets in other parts of the world such as Canada,Europe and the Pacific Basin.

    The EA6501 has been specified and used by the FAA at 24 ofthe larger commercial airport sites within the USA. TheEA 7401M antenna has higher power-handling capacity, suitablefor use with magnetron-based transceivers. This antenna hasbeen specified and used by Navcanada exclusively for all 10 major airports in Canada, and is also on many major European airportssuch as Brussels, Zurich and London Heathrow.

    The Linear Array antenna design is based on cellular radiotechnology and provides high performance at low cost.The X-band Linear Array antenna offers Ku-band typeresolution with a sub 0.34 (demonstrated) beamwidth, andgives excellent range and azimuth resolution superior to thatprovided with slotted waveguides. The antenna providesoperation with 40 ns pulse width without pulse distortion, andzero squint at multiple frequency, making it ideal for use with amagnetron, solid-state, frequency-agile or FMCW system.

    Photograph Centre: Easat EA7401M Linear Array for SMRPhotograph Opposite: London Heathrow Airport, where Easat havesupplied complete SMR sensor systems

    General and Mechanical

    Wei ght (i nc lu di ng Pe des ta l) 3 50 kg Si ng le dri ve

    470 kg Dual drive

    Optional Stand 100 kg

    Maximum Swept Radius 3.625 m

    Rotation Rate Typically 60 rpm

    Elevation Beamshape Inverse cosec 2 to -40

    Azi muth Measurement 13 or 14 bit Opt. Shaft Encoder(s)

    Inductosyn

    Redundancy Options Dual Motors; Dual Encoders

    Design Life 20 years

    Environmental

    Operational Wind Speed 150 km/hr

    Survival Wind Speed 240 km/hr

    Humidity 5% to 100%

    O per ati on al Te mp era tu re -3 0 C t o +7 0 C i nc lu di ng 18 s ol ar

    -50C to +70C (optional)

    Electrical EA7401M

    Operating Frequency 9.1 to 9.5 GHz

    VSWR 1...