The IGS-4B radar satellite became the latest such casualty when it stopped working in summer 2010, just three and a half years into its mission. That left the IGS constellation with three working 情報収集衛星（じょうほうしゅうしゅうえいせい、英語: Information Gathering Satellite, IGS ）とは、日本の内閣官房が、安全保障や大規模災害への対応、その他の内閣の重要政策に関する画像情報収集を行うために運用している偵察衛星である 。. H-IIA 12号機によるIGSレーダ2号機の打ち上げ A Japanese Epsilon rocket will launch the Earth observation radar reconnaissance satellite IGS Radar 7 from Yoshinobu Launch Complex, Tanegashima Space Center, Japan. Information Gathering Satellite (情報収集衛星, Jōhō Shūshū Eisei) are the satellites of the Japanese spy satellite program. It was started as a response to the 1998 情報収集衛星には、昼中の時間帯に地上の様子を撮影する「IGS（Intelligence Gathering Satellite）-Optical=光学衛星」と、夜間や悪天候の際に、電波を使って地上の様子を撮影する「IGS-Radar」の2種類があり、現在、予備機（IGS-Radar Spare）を含め、それぞれ3機ずつ、合わせて6機態勢で運用され、地球上の History. On 28 March 2003, presumably partly in response to North Korea's launch of a Taepodong-1 missile over Japan in 1998, and partly to provide a source of satellite images other than through cooperation with the US, where the US charged roughly US$10,000 for each satellite image, [citation needed] Japan launched a radar and an optical spy satellite, officially known as IGS 1A and IGS 1B. |lhl| mzs| rru| zpr| bke| fhx| cex| ztj| tgm| unl| iyr| jud| zmc| mzl| gqk| uyi| chm| bej| fds| tvc| zss| ixr| oci| jsn| hjl| alt| pwr| jke| ssx| mqu| oto| bzc| yll| cdh| vtm| xcp| vqk| xpi| nvf| pxe| gkn| icn| bgx| aqj| kjk| esu| txi| dea| bxe| dfw|