Page 46 - hisdeSAT annual report 2014
P. 46

Technical activity










                                    4.1.      The Satellite


                                              Communications System






                                              Hisdesat’s range of satellite com-  model with 3-axis stabilization,
                                              munication systems has made the   the effectiveness and reliability of
                                              consolidation of the company as   which has been demonstrated on
                                              one of the principal international   numerous  previous  missions.  To-
                                              suppliers of secure communication   gether, the satellites built by SS/L
                                              services by satellite on the military   have accumulated over 1,100 years
                                              K- and Ka-bands for governmental   of service.
                                              applications a reality. This system is
                                              designed to provide communication   Both satellites have been designed
                                              services for both civilian and mili-  for a 15-year service life. The on-
                                              tary applications of a governmental   board antennae have been configu-
                                              nature. It consists of the following   red in such a way that they provide
                                              components:                      a combination of beams, both fixed
                                                                               and adjustable, in order to maximi-
                                                -  SpainSat: Positioned at 30º
                                                                               ze the flexibility of the system. The
                                                West, its coverage area includes   adjustable beams have no restric-
                                                practically the entire American
                                                                               tions in terms of where they point
                                                continent, Africa, Europe and the   within the area of coverage of each
                                                Middle East.
                                                                               satellite and may be trained upon
                                                -  Xtar-Eur: positioned at 29º East, it   a specific area at any time. In addi-
                                                coverage area is from Brazil to In-  tion, various transponders can be
                                                donesia, including Europe, Africa,   used with the same beam.
                                                the Middle East and much of Asia.
                                                                               Each satellite is capable of provi-
                                              The platforms for SpainSat and   ding 1,000 MHz of dual-polarized
                                              Xtar-Eur,  the  two  satellites  in  the   broadband, both to the right and
                                              Hisdesat  system, are  based  on   left, thereby optimizing the use of
                                              the Space Systems/Loral LS-1300   the spectrum available.























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