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fork(2) [soylentnews.org] writes:

      Satellite imagery [wikipedia.org] refers to images of the earth taken by satellites. The sharpest imagery available commercially is provided by Westminster, Colorado-based DigitalGlobe, which provides resolution as sharp as 31 centimeters (about 12 inches). The Denver Post [denverpost.com] says that, "The 31-centimeter resolution images allow viewers to discern, for example, the windshield of a car and the direction the car is facing."

      On Wednesday (July 6), SpaceNews [spacenews.com] carried an article indicating that SI Imaging Services of South Korea had begun offering less-than 50-centimeter-class images commercially, making it the sharpest imagery available after that of DigitalGlobe.

SIIS, in response to SpaceNews inquiries, on July 7 said it would be selling 40-centimeter imagery after resampling Kompsat-3A’s native 55-centimeter pictures, the same way that Airbus Defence and Space resamples Pleiades 70-centimeter images to produce a 50-centimeter product.

      DigitalGlobe intends to launch a new satellite, WorldView-4 [wikipedia.org], in September which will be capable of producing 25-centimeter imagery.

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