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The Mexican Satellite System, also known as MEXSAT, is a network of three satellites bought by the Mexican government's Ministry of Communications and Transportation. The three satellites are named Mexsat-1, Mexsat-2, and Mexsat-3. Subsequently they have also been named Centenario, Morelos III and Bicentenario respectively.〔(【引用サイトリンク】title=New satellite fleet will guarantee the coverage of telecommuncations services (Spanish) )〕 Mexsat-1 and Mexsat-2 are twin satellites for mobile communication devices and will operate in the electromagnetic frequencies of the L and Ku bands. Mexsat-3 will operate in the range of the extended C and Ku bands.〔(【引用サイトリンク】title=Mexican Satellite System )〕 Together these three satellites will form the whole system, operated by the Ministry of Communications and Transportation.〔〔(【引用サイトリンク】title=Transcript from the Ministry of Communications and Transportation (Spanish) )〕 The system is expected to meet the telecommunications needs of the whole country. Two control centres have been built in Hermosillo from which the new satellites will be operated. They were inaugurated by the then-president Felipe Calderón on 29 November 2012.〔〔(【引用サイトリンク】title=Calderón "lanza virtualmente" satélite Bicentenario (Spanish) )〕 ==History== On 20 August 2009, the National Security Program of Mexico announced the MEXSAT project as a means by which to preserve security in Mexico. It is developed by the Ministry of Communications and Transportation and on 17 December 2010 in New York, United States of America, the Federal Government signed a contract for the acquisition of the MEXSAT system by Boeing Satellite Systems International, Inc.〔(【引用サイトリンク】title=Boeing signs deal for Mexican government satellite system )〕 On 28 June 2011 a contract is signed with Arianespace SA, who will provide the launch services for Mexsat-3.〔(【引用サイトリンク】title=Arianespace to launch Mexican satellite Mexsat-3 )〕 On 6 February 2012 a contract is signed with International Launch Services (ILS) to provide the launch services for Mexsat-1.〔(【引用サイトリンク】title=ILS announces a new contract for the ILS Proton launch of the Mexsat-1 satellite )〕 In April 2012 the government renames the satellites from Mexsat-1, 2 and 3 to Centenario, Morelos III and Bicentenario. 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「Mexican Satellite System」の詳細全文を読む スポンサード リンク
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