GSAR x3, Geophysical & Environmental Research Corp
Question 1
Into what category of EOS does this instrument fall?
This instrument is a synthetic aperture radar
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Question 2
What capture technology is used?
Scanning Mechanism
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Question 3
Is the sensor active or passive?
The sensor is active
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Question 4
At what wavelength(s) does the sensor function?
X-band frequency
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Question 5
What resolution does the sensor have? – temporal & spatial
Temporal
N/A as the instrument is airborne
Spatial
Stripmap mode – 8 m
Spotlight mode – 1.8 m
Ground Moving Vehicle Indicator – 6 m
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Question 6
Is the sensor carried on an airborne or spaceborne platform? What is that platform - typically?
The sensor can be used in several ways. It is usually attached to the underside of an aircraft but it is also regularly used while positioned on a ground moving vehicle. A crane is extended around 35-40 feet in the air and the sensor scans the surrounding area.
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Question 7
Who developed, launched and manages the sensor?
The sensor was jointly developed by Instaar, SpectroTech & Geophysical and Environmental Research Corp. SpectroTech provides the aircraft and remote sensing equipment, as well as assistance with ground operations, including ground truthing and data processing.
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Question 8
Can data be purchase from service provider?
No
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Question 9
What products are available from service providers?
Real-time SAR imagery (1 & 4-look data)
Interferometric SAR DTMs
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Question 10
At which main application areas is the sensor aimed?
• Surveillance & Detection
• Forestry
• Fire Monitoring
• Topographical Mapping
• Crop Status and Classification
• Search and Rescue
• Water Resources
• Flood Assessment
• Marine monitoring
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