PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/26-23:13:10
G10     258.5          31.9               14.7 +/-    1.62      24.7 +/-    1.62  0.240 / 0.540
G13     47.5           25.9               12.0 +/-    1.78      22.9 +/-    1.78  0.170 / 0.470
G15     71.6           55.0               13.1 +/-    0.28      15.6 +/-    0.28  0.110 / 0.270
G16     289.5          13.4               11.1 +/-    1.14      28.7 +/-    1.14  0.120 / 0.400
G18     283.2          60.5               13.6 +/-    0.68      15.4 +/-    0.68  0.040 / 0.050
G20     49.3           40.3               11.6 +/-    0.79      16.8 +/-    0.79  0.030 / 0.050
G21     347.2          66.9               11.1 +/-    0.88      12.0 +/-    0.88  0.110 / 0.240
G26     262.3          11.7               13.6 +/-    2.24      36.6 +/-    2.24  0.110 / 0.200
G27     320.9          13.7                9.4 +/-    2.16      24.0 +/-    2.16  0.050 / 0.090
G29     165.6          36.9               16.8 +/-    1.23      25.7 +/-    1.23  0.050 / 0.090