Radar Deployment and Results

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Radar Deployment and Results

• IIP Team

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Background

• Radars
• Installation in Calgary
• Measure antenna pattern
• to measure ice thickness, image ice bed and map
  layers at depth
• Antennas
• Twin Otter

Antenna arrays
Equipment rack
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Background-- Specifications

• VHF Radar
• To measure thickness, map layers and image
  ice-bed interface
• Center freq 150 MHz
• Bandwidth 20 MHz
• Loop sensitivity gt 210 dB
• Depth resolution 3-4.5 m in ice
• Image
• Resolution
• Cross-track 40-100 m
• Along track 100 m
• Swath width
• Min 1000 m
• Maximum 1500 m

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Sample Results
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A-scopes
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Noise problem

• The laser had to be operated to get the INS data.
  The laser increased the noise floor by about 10
  dB every now and then (it was triggering at 5
  kHz).
• From Pannir on May 23, 2006

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Issues

• Calibration
• To determine imbalance in channels
• Amplitude
• Phase
• Ocean data
• We are analyzing these data
• Noise problem
• Radiated noise

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Wet surfaces
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Sample results
Depth sounder mode
SAR image mosaic (Paden, 2006)
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Higher frequency
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Summary

• The mission is successful
• Obtained good data for the IIP project
• Collected a good data set over fast flowing
  glaciers
• Data are being processed.