Page 106 - Satellite Communications, Fourth Edition
P. 106

86   Chapter Three


                                                                       N
                                                  Boresight
                                                                90°
                              S
                                                                       λ E N



                                                                  R





                                                                              Equatorial
                                                                   (a)       plane


                                                                        N
                                                            90° + δ
                              S                d
                                                                         λ E
                                                                            Local horizontal
                                                         E   o              plane
                                             a GSO
                                                                  R






                                                                   (b)





                                                               d




                                                           a GSO        90° + E   o
                                                                                   R
                                                                               λ E

                                                                   (c)
                              Figure 3.5  The polar mount antenna.
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