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ERS 1/2

Europe's First Earth Observation Satellites

ERS 1 & 2, operated by the European Space Agency, were the first commercialy available sources of microwave radar data.  ERS-1 operated from 1991 to 2000.  ERS-2 was lanuch in 1995 and is still in operation.  Both satellites have far exceeded there expected lifespans.  These satellites carry a multi-sensor payload including a Synthetic Aperture Radar (SAR).ers sample

 

 
ERS 1/2 SAR Specifications
Spatial Resolution
10 m - 300 m
Frequency
5.3GHz C-band
Polarization
VV
Launch
July 17 1991 (ERS-1), April 21, 1995 (ERS-2)
Mission Life
ERS-2 operational. ERS1 failed March 10, 2000
Orbit
785km 98.52ยบ sun-synchronous
Nodal Crossing
10:00 AM
Revisit Time
3 days
Swath Width
5 - 100 km
Off-Nadir Imaging
15 - 45 degrees right-looking
Dynamic Range
8 bits per pixel
Stereo Imaging
No
Tasking
ERS-2 only

 

 

 

 

 

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