CEDAR Frontiers : An Incoherent Scatter Radar for Space Weather Monitoring

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CEDAR Frontiers An Incoherent Scatter Radar for
Space Weather Monitoring
Frank D. Lind, Philip J. Erickson, John M. Holt,
John C. Foster MIT Haystack Observatory, Route
40, Westford, MA 01886 USA
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 gt
Always On! Affordable For Use In Space Weather
Networks
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CPI Tube and DTI Transmitter
CPI 1MW UHF IOT
Example DTI Transmitter
A Fully Automated and Highly Efficient ISR Is now
Possible! CPI High Power Pulsed UHF Inductive
Output Tube Derived from Digital Television
Transmitter Technology 100 kW of Average Power,
1 MW peak, 10 Duty Cycle, 70 Efficiency Variabl
e Output Power In Response to Ionospheric
Conditions 1 Tube System with a Typical
Replacement Period of 5 Years DTI
Transmitter Off the Shelf Technology Solid
State Modulation for High Reliability
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Modern Transmitter Design
Cargo Container
RF Waveguide Tap
WR2100 RF OUTPUT
RF Amplifier Subsystem
Cooling Subsystem
Control and Monitoring Subsystem
RF Signal and Power Monitoring
Fiber Network Interface
Solid State Driver
CPI 1MW IOT
Modular Chiller System
Cargo Container Air Conditioning
Control Sensors
Failsafe TX Subsystem Control
Focusing Magnet
Cavity Tuning
MIDAS-Mobile TX/RX Control
Tube Assembly
Control Interface
Control Sensors
Control Interface
Fiber Control Interface
HV Power Subsystem
HV and Cooling Power Supply
Safety Subsystem
HV Isolation cage with lockout
Kirk Key System
480 Volt three phase regulator
120 Volt single phase regulator
DTI Power supply and Modulator
Control Sensors
Fire Supression System
Entry Sensors Cameras
HV Interlocks
Breakers Boxes Metering
Control Interface
HV Grounding Assembly
Control Interface
Control Sensors
RF Inhibit System
RF HV Warning Lights
HV Inhibit System
Cargo Container for Easy Transport Power, Fiber,
Waveguide Fully Automated Remote Operations
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Zenith Incoherent Profiler Prototype (ZIP)

• 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

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