Page 36 - hisdeSAT annual report 2014
        P. 36
     Performing at full capacity
                                              Progress in the Radar Satellite Constellation
                                              TerraSAR-X / PAZ
                                              HISDESAT and Airbus Defence and   The constellation configuration has
                                              Space have continued working on   been set. PAZ will orbit ahead of the
                                              the definition of the constellation   positions currently occupied by Te-
                                              of satellites that the two companies   rraSAR X and TanDEM X, with an an-
                                              operate. The operational scope, the   gular separation of 98.18 degrees
                                              requirements that govern the coor-  representing a time difference of
                                              dinated operations, and the areas   about 25 minutes. Under these con-
                                              of maximum synergy between the   ditions, revisit times will be between
                                              missions that can be exploited, have   4 and 7 days.
                                              all been defined.
                            Maximum revisit
                            time PAZ / TSX /
                           TDX constellation
                             Average revisit
                           time PAZ / TSX /
                          TDX constellation
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