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Envisat

Europe's Multi-Sensor Earth Observation Satellite

Enivsat was launched by the European Space Agency (ESA) on March 1, 2002 to continue and improve upon the ERS satellites.  With 10 instruments onboard, Envisat provides measurements of the atmosphere, oceans, land and ice.  The Advanced Synthetic Aperture Radar (ASAR) instrument provides continuity with the SAR instruments of ERS-1/2 and provides enhanced coverage, incidence angle range, polarization and operation modes. envisat sample

 Envisat sat

 

EnviSat ASAR Specifications
Spatial Resolution
30 m - 150 m
Frequency
5.331GHz C-band
Polarization
HH, VV, HH/HV, VV/VH, HH/VV
Launch
March 1, 2002
Mission Life
Mission extended to 2013
Orbit
799.8km 98.55ยบ sun-synchronous
Nodal Crossing
10:00 AM
Revisit Time
1-3 days
Swath Width
56 - 105 km
Off-Nadir Imaging
15 - 45 degrees right-looking
Dynamic Range
8 bits per pixel
Stereo Imaging
No
Tasking
Yes

 

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