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The RADARSAT constellation is a pair of Canadian Remote Sensing satellites. The constellation consists of: * RADARSAT-1, launched 1995 * RADARSAT-2, launched 2007 ==The Company== RADARSAT International (RSI) was formed in 1989 by a consortium to market, process, and distribute data worldwide from Canada's RADARSAT-1 Earth-observation satellite. * MacDonald Dettwiler and Associates (MDA) * Spar Aerospace * Com Dev * Lockheed Martin Astronautics RSI provides Earth-observation data and derived information products from commercially available Earth-observation satellites, such as RADARSAT-1, LANDSAT, LANDSAT 5, LANDSAT 7, IKONOS, IRS, ERS, QuickBird, and ENVISAT.〔(【引用サイトリンク】title=RADARSAT International )〕 In 1999, MacDonald Dettwiler completed a buy out of the other RSI shareholders. Today, RSI is a wholly owned subsidiary of MDA, under the name of MDA Geospatial Services Inc. (MDA GSI). MDA GSI Hold the operating license for RADARSAT-2 satellite, an MDA Satellite built in partnership with the Canadian Government. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「RADARSAT」の詳細全文を読む スポンサード リンク
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