PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/22-00:58:10
G08     297.5          23.1                7.9 +/-    0.67      16.1 +/-    0.67  0.060 / 0.090
G10     355.8          62.5                9.5 +/-    0.74      10.5 +/-    0.74  0.110 / 0.090
G14     225.3          40.4                9.8 +/-    1.69      14.2 +/-    1.69  0.060 / 0.070
G20     338.2          62.3                7.7 +/-    0.83       8.6 +/-    0.83  0.060 / 0.080
G21     143.6          47.1                9.0 +/-    0.45      11.8 +/-    0.45  0.080 / 0.100
G24     59.9           26.6                7.4 +/-    1.50      14.0 +/-    1.50  0.100 / 0.130
G27     260.9          34.2               10.2 +/-    1.14      16.4 +/-    1.14  0.110 / 0.140
G32     237.2          65.1                9.4 +/-    1.22      10.3 +/-    1.22  0.080 / 0.110