QuickBird was a high-resolution commercial earth observation satellite, owned by DigitalGlobe launched in 2001 and decayed in 2015. It was the first satellite in a constellation of three scheduled to be in orbit by 2008. QuickBird used Ball Aerospace's Global Imaging System 2000 (BGIS 2000). The satellite collected panchromatic (black and white) imagery at 61 centimeter resolution and multispectral imagery at 2.44- (at 450 km) to 1.63-meter (at 300 km) resolution, as orbit altitude is lowered during the end of mission life. | Source: wikipedia.
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