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TerraSAR-X Satellite Image Mount Redoubt Volcano Alaska

TerraSAR-X is an active matrix, X-band Synthetic Aperture Radar (SAR), capable of acquiring data with a resolution of 1 metre, and in all weather conditions, both during the daytime and at night. TerraSAR-X has a repeat period of 11 days. However, it can observe on both sides of its trajectory, which means it can acquire any point on Earth every 4.5 days; furthermore 90% of these points are covered every 2 days. The Synthetic Aperture Radar (SAR) operates in three modes: spotlight mode, strip-map mode and scan SAR mode.


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