CEDAR Frontiers : An Incoherent Scatter CEDAR Frontiers : An Incoherent Scatter Radar for Space Weather MonitoringRadar for Space Weather Monitoring

High Quality Measurements as Input to Space Weather ModelsAn Advanced Radar Design for a Space Weather NetworkImmediate Scientific Return From Always On ObservationsNever Miss An Interesting Event!

Goal: A Revolutionary Advance For Space Weather Monitoring, Science, and Applications

A Space Weather Incoherent Scatter Radar System

Full Ionospheric Profiles Above and Below the F-peak

High Space and Time Resolution

Data Suitable for Input into Space Weather Models

Operate Autonomously on a 24/7 Basis => Always On!

Affordable For Use In Space Weather Networks

Frank D. Lind, Philip J. Erickson, John M. Holt, John C. FosterMIT Haystack Observatory, Route 40, Westford, MA 01886 USA

CPI Tube and DTI TransmitterCPI Tube and DTI Transmitter

CPI 1MW UHF IOTCPI 1MW UHF IOT Example DTI TransmitterExample DTI Transmitter

A Fully Automated and Highly Efficient ISR Is now Possible!A Fully Automated and Highly Efficient ISR Is now Possible!

CPI High Power Pulsed UHF Inductive Output TubeCPI High Power Pulsed UHF Inductive Output TubeDerived from Digital Television Transmitter TechnologyDerived from Digital Television Transmitter Technology100 kW of Average Power, 1 MW peak, 10% Duty Cycle, 70% Efficiency100 kW of Average Power, 1 MW peak, 10% Duty Cycle, 70% EfficiencyVariable Output Power In Response to Ionospheric ConditionsVariable Output Power In Response to Ionospheric Conditions1 Tube System with a Typical Replacement Period of 5 Years 1 Tube System with a Typical Replacement Period of 5 Years

DTI TransmitterDTI TransmitterOff the Shelf TechnologyOff the Shelf TechnologySolid State Modulation for High ReliabilitySolid State Modulation for High Reliability

Modern Transmitter DesignModern Transmitter Design

Cargo Container for Easy TransportCargo Container for Easy Transport

Power, Fiber, WaveguidePower, Fiber, Waveguide

Fully Automated Fully Automated

Remote OperationsRemote Operations

RF Amplifier SubsystemRF Amplifier Subsystem Cooling SubsystemCooling Subsystem Control and Monitoring SubsystemControl and Monitoring Subsystem

HV Power SubsystemHV Power Subsystem HV and Cooling Power SupplyHV and Cooling Power Supply

Tube Tube AssemblyAssembly

Focusing MagnetFocusing MagnetCavity Cavity TuninTuninggControlControlInterfaceInterface

ControlControlSensorsSensors

CPI CPI 1MW 1MW IOTIOT

Solid Solid StateStateDriverDriver

DTI Power DTI Power supply and supply and ModulatorModulator

HV Isolation cage with lockoutHV Isolation cage with lockout

ControlControlInterfaceInterface

HV GroundingHV GroundingAssemblyAssembly

ControlControlSensorsSensors

480 Volt 480 Volt three phasethree phaseregulatorregulator

120 Volt 120 Volt single phasesingle phaseregulatorregulator

ControlControlInterfaceInterface

ControlControlSensorsSensors

Breakers Breakers BoxesBoxesMeteringMetering

ModularModularChillerChillerSystemSystem

CargoCargoContainerContainerAir Air ConditioningConditioning

ControlControlInterfaceInterface

ControControllSensorSensorss

WR2100 RF OUTPUTWR2100 RF OUTPUT

Safety SubsystemSafety Subsystem

RF Signal and RF Signal and Power MonitoringPower Monitoring

MIDAS-MIDAS-MobileMobileTX/RXTX/RXControlControl

Fiber Fiber NetworkNetworkInterfaceInterface

FailsafeFailsafeTX SubsystemTX SubsystemControlControl

Fiber Control Fiber Control InterfaceInterface

Kirk KeyKirk KeySystemSystem

HV HV InterlockInterlockssHV HV InhibitInhibitSystemSystem

RFRFInhibitInhibitSystemSystem

FireFireSupressionSupressionSystemSystem

RF & RF & HVHVWarningWarningLightsLights

EntryEntrySensors &Sensors &CamerasCameras

RF Waveguide TapRF Waveguide TapCargo ContainerCargo Container

• Space Weather ISR Prototype at Millstone Hill

– A Fully Automated High Power ISR system

– Low Risk Implementation

– Uses Existing Millstone 68 meter Zenith Antenna

• ZIP Prototype Project Goals

– An Always On Space Weather Radar System

– A Revolutionary Advance For Space Weather Monitoring

– High Quality Measurements as Input to Space Weather Models

– An Advanced Radar Design for a Space Weather Network

– Immediate Scientific Return From a Year of Observations

Zenith Incoherent Profiler Prototype (ZIP)Zenith Incoherent Profiler Prototype (ZIP)

Frank D. Lind, Philip J. Erickson, John M. Holt, John C. FosterMIT Haystack Observatory, Route 40, Westford, MA 01886 USA