1. Company Confidential GISMO Radar Review GISMO Processor and Results August 7, 2007

2. Company Confidential GISMO Interferometry Processor Raw data GPS data Motion data Accelerometer data Calibration data Preprocessor Range compressor Range compressed data (channel, waveform) Waveform combiner Azimuth compressor with back-projection and ray bending SLC image archive InSAR processor: with registration & Interferogram generation GISMO processing: Multi-channel/looking Left/right separation Surface clutter cancellation Interferogram flattening Topography Estimation and Orthorectification Base intensity & topography archives in SCH and PS geometry Range reference functions Ice density profile Post InSAR processor: Interferogram filtering Phase unwrapping

3. Company Confidential GISMO Tomography Processor Raw data GPS data Motion data Accelerometer data Calibration data Preprocessor Range compressor Range compressed data (channel, waveform) Waveform combiner Waveform combined range compressed data archive Return/repeat pass selector: Back-projection tomography processor Range reference functions 3D reflectivity

4. Company Confidential Estimate base topography 6 interferograms with baseline of 3.91 meters (T 0 /R 0, T 1 /R 0 ) (T 0 /R 1, T 1 /R 1 ) (T 0 /R 2, T 1 /R 2 ) (T 0 /R 3, T 1 /R 3 ) (T 0 /R 4, T 1 /R 4 ) (T 0 /R 5, T 1 /R 5 ) -8.33 -7.38 -6.43 -3.913.91 6.438.33 7.38 T0T0 T1T1 Left sideRight side

5. Company Confidential GISMO - Interferogram

6. Company Confidential Left-Right separation: Theoretical analysis S1S1 S2S2 r1r1 r 2, right r1r1 r 2, left P Q H x h(x) B

7. Company Confidential Left/right side interferogram spectrum Left side spectrum right side spectrum

8. Company Confidential Left/right side interferogram separation Left side interferogram Right side interferogram

9. Company Confidential Left/right side intensity separation Left side intensity Right side intensity

10. Company Confidential GISMO Equation sin  1 = n·sin  2    r1r1 r2r2 B 

11. Company Confidential Base Topography estimation 3.91 m baseline results

12. Company Confidential Base Topography estimation 3.91 m baseline results

13. Company Confidential Estimate base topography 6 interferograms with baseline of 7.38 meters (T 0 /R 0, T 0 /R 5 ) (T 0 /R 1, T 0 /R 4 ) (T 0 /R 2, T 0 /R 3 ) (T 1 /R 0, T 1 /R 5 ) (T 1 /R 1, T 1 /R 4 ) (T 1 /R 2, T 1 /R 5 ) -8.33 -7.38 -6.43 -3.913.91 6.438.33 7.38 T0T0 T1T1 Left sideRight side

14. Company Confidential Interferogram combination with 7.38 m baseline

15. Company Confidential Left/right side interferogram spectrum Baseline: 3.91m 7.38m

16. Company Confidential Left/right side interferogram separation Left side interferogram Right side interferogram

17. Company Confidential Left/right side intensity separation Left side intensity Right side intensity