RADARSAT-1
Canada's first commercial EO satellite.
RADARSAT-1
launched in 1995, was Canada’s first commercial Earth observation
satellite operating in 7 beam modes that provide 10-100m resolutions
imagery with 45-500km footprints. Although designed
with a 5 year lifespan RADARSAT-1 remains fully operational after 12
years. 
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RADARSAT-1
Specifications
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Spatial Resolution
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8 m – 100 m
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Frequency
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5.3GHz C-band
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Polarization
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HH
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Launch
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March 24, 1998
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Mission Life
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Operational. Exceeded expected 5
years
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Orbit
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798km 98.6º sun-synchronous
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Nodal Crossing
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6:00 AM, 6:00 PM
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Revisit Time
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1-6 days
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Swath Width
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45-500 km
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Off-Nadir Imaging
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10-60 degrees (right looking
only)
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Dynamic Range
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8-16 bits per pixel
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Stereo Imaging
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Yes
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Tasking
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Yes
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Imaging modes
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Mode
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Nominal
Resolution (m) |
No. of
Positions / Beams |
Swath
Width (km) |
Incidence
Angles (degrees) |
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Fine
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8
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15
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45
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37 -
47
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Standard
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30
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7
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100
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20 -
49
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Wide
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30
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3
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150
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20 -
45
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ScanSAR narrow
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50
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2
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300
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20 -
49
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ScanSAR wide
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100
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2
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500
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20 -
49
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Extended high
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18 -
27
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3
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75
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52 -
58
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Extended low
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30
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1
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170
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10 -
22
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