The Advanced Modular Incoherent Scatter Radar (AMISR)

Project Review and Initial Results

Michael C. Kelley1, Craig Heinselman2, Rodolfo Cuevas1, Brenton Watkins3

1Cornell University2SRI International Inc.3University of Alaska, Fairbanks

AMISR Acronyms and Terms

AMISR: Advanced Modular Incoherent Scatter RadarAEU: Antenna element unitPCU: Panel Control UnitPanel: Smallest building blockGroup: Set of PanelsFace: Set of Groups

AMISR

384 Panels, 12,288 AEUs3 DAQ Systems

3 Scaffold Support Structures

Courtesy of C. J. Heinselman

AMISR

Three new IS radarsModular / transportable / reconfigurablePhased array / rapid steeringSolid state / no warm-upHeavily networked / graceful degradation430-450 MHz TX frequency range~2MW peak power per radar (10% duty)1µs to 2ms pulses

AMISR Ion Velocity Estimation

Courtesy of C. J. Heinselman

Tristatic Configuration

~100 km

E-region altitude profile

Courtesy of C. J. Heinselman

Imaging Ionospheric Structure

Courtesy of C. J. Heinselman

Future Configurations

Max Sensitivity12 x 24 panels

3-Face Full Coverage16 x 8 panels per face

Equatorial32 x 1 panel

PMSE Radar/Wind Profiler

2 x 4 panel

Courtesy of C. J. Heinselman

AMCSR – Advanced Modular Coherent Scatter Radar (Interferometry)

Courtesy of C. J. Heinselman

AMISR Coverage – Poker Flat

350 km, 1 x 10 11, 10%

PFRR

150 km, 1 x 10 11, 10%

2

Log(Num

berof Pulses)

3

4

Courtesy of C. J. Heinselman

AMISR Coverage – Global Context

ISRsSuperDarnAllsky ImagersSatellites

Courtesy of C. J. Heinselman

AMISR at Jicamarca - Results

AMISR at Jicamarca - Results

AMISR at Jicamarca - Results

440 MHz 50 MHz

AMISR at HAARP - Results

AMISR at HAARP - Results

AMISR at HAARP - Results