CReSIS Radar Depth Sounder/3D Imager

2005 Summit GPR

• Ground based

• 8 Receive Antennas

• 2 Transmit Antennas (array of 2 each) for ping-pong – Switch failed, so operated with left side only

• 120-300 MHz – Used 120-200 MHz

Transmit Antennas

Receive Antennas

DEM Comparisons

DEM Comparisons

Mosaic DEM + Backscatter

Englacial Targets

2008 NEEM GPR

• Ground based

• 8 Receive Antennas

• 2 Transmitters for ping-pong

• 135-165 MHz

Mosaic DEM

2009 Antarctica TO

• Airborne, Twin Otter

• 6 Receive Antennas

• 1 Transmit Antenna (array of 6)

• 140-160 MHz

Mosaic DEM

2010 Greenland P3

• Airborne, NASA P-3

• 15 Receive Antennas (4-7-4 subarrays)

• 1 Transmit Antenna (array of 7)

• 180-210 MHz and 190-200 MHz

Along-track DEMs

X-axis: Along-track km Y-axis: Cross-track meters, Z-axis: meters relative to platform, Color tied to Z-axis

Along-track DEMs

X-axis: Along-track km Y-axis: Cross-track meters, Z-axis: meters relative to platform, Color tied to Z-axis

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