3_30130.txt  m_2018-057-a.txt                                   BEIDOU IGSO-7            BEIDOU IGSO-7                    43539U 18057A     331.97688579 -.00000046  00000+0  00000+0    999  55.1210 171.1156   229.1137 130.4240  1.00257610  1979