Airborne Synthetic Aperture Radar (AIRSAR) was an all-weather imaging tool able to penetrate through clouds and collect data at night. The longer wavelengths could also penetrate into the forest canopy and, in extremely dry areas, through thin sand cover and dry snow pack.
AIRSAR served as a NASA radar technology testbed for demonstrating new radar technology and acquiring data for the development of radar processing techniques and applications.
- Airborne SAR — synthetic aperture radar
- Primarily covers the United States; other tropical locations included
- Datasets identified by place name
- PolSAR: 3-frequency polarimetry
- TOPSAR: C-, L-, and P-band Compressed Stokes Matrix, C-band TIFF, DEM
- ATI — Along-track interferometry: Interferograms
More detailed product descriptions are available from the AIRSAR website
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AIRSAR Technical Specs
|Frequency/wavelength||0.45 GHz/67 cm||1.26 GHz/23 cm||5.31 GHz/5.7 cm|
|Range Resolution||7.5 m||3.75 m||1.875 m|
|Swath Width (nominal)||10 km||10 km||10 km|
|Off-Nadir Angle (normal)||20-60°||20-60°||20-60°|
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|NASA [year of data acquisition]||NASA 2003|