PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/11-22:12:50
G05     48.6           17.5                8.1 +/-    0.43      18.8 +/-    0.43  0.080 / 0.130
G10     235.9          12.2               15.0 +/-    4.14      39.9 +/-    4.14  0.060 / 0.140
G13     76.1           36.3                9.7 +/-    1.04      15.1 +/-    1.04  0.060 / 0.080
G15     130.3          51.5               12.9 +/-    0.98      15.9 +/-    0.98  0.070 / 0.080
G16     313.1          13.3                9.7 +/-    1.31      25.0 +/-    1.31  0.100 / 0.340
G20     241.3          9.3                 7.3 +/-    2.18      20.6 +/-    2.18  0.110 / 0.320
G21     311.9          45.9                9.5 +/-    1.12      12.6 +/-    1.12  0.300 / 0.560
G25     199.0          10.9                9.7 +/-   34.17      26.6 +/-   34.17  0.320 / 0.680
G26     286.2          21.0                9.5 +/-    2.09      20.5 +/-    2.09  0.060 / 0.130
G29     155.9          74.3               11.4 +/-    0.85      11.8 +/-    0.85  0.060 / 0.130