SRTM vs QuickBird
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SRTM
The Shuttle Radar Topography Mission (SRTM) was an international project led by the National Geospatial-Intelligence Agency (NGA) and NASA. Flown aboard the Space Shuttle Endeavour in February 2000, it utilized a synthetic aperture radar system to acquire land elevation data. The mission produced a near-global digital elevation model (DEM) covering latitudes between 60 degrees north and 56 degrees...
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QuickBird
QuickBird was a commercial high-resolution Earth observation satellite operated by DigitalGlobe and launched in 2001. Circling the planet in a sun-synchronous orbit, the satellite captured panchromatic imagery at a resolution of 0.61 meters and multispectral imagery at 2.4 meters. These detailed images were utilized by governments, urban planners, and environmental organizations for mapping, agric...
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