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Instrument: AIRSAR : Airborne Synthetic Aperture Radar
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Description
NASA/JPL have built and operated a series of airborne imaging radar
systems. NASA/JPL currently maintain and operate an airborne SAR
system, known as AIRSAR/TOPSAR, which flies on a NASA DC-8 jet. In one
mode of operation, this system is capable of simultaneously collecting
all four polarizations (HH,HV, VH and VV) for three frequencies: L-
band (lambda ~ 24 cm); C-band (lambda ~ 6 cm) ; and P-band (lambda ~
68 cm). In another mode of operation, the AIRSAR/TOPSAR system
collects all four polarizations (HH,HV, VH and VV) for two
frequencies: L- band (lambda ~ 24 cm); and P-band (lambda ~ 68 cm),
while operating as an interferometer at C-band to simultaneously
generate topographic height data. AIRSAR/TOPSAR also has an
along-track interferometer mode which is used to measure current
speeds. Typical image sizes for AIRSAR/TOPSAR products are 12kmx12km,
with 10 meter resolution in both dimensions. Topographic map products
generated by the TOPSAR system have been shown to have a height
accuracy of 1 m in relatively flat areas, and 5 m height accuracy in
mountainous areas.


For more information on AirSAR or AirSAR data products and imagery, see:
http://airsar.jpl.nasa.gov

Radar Data Center
Mail Stop 300 - 233
Jet Propulsion Laboratory
4800 Oak Grove Drive
Pasadena, CA 91109
Fax: (818) 393 2640
e-mail: radar.data@jpl.nasa.gov

http://southport.jpl.nasa.gov