PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/10-03:57:40
G08     297.8          22.4                9.3 +/-    0.97      19.4 +/-    0.97  0.080 / 0.100
G10     358.5          62.7                7.9 +/-    0.48       8.8 +/-    0.48  0.050 / 0.090
G14     226.3          40.0               10.7 +/-    1.46      15.6 +/-    1.46  0.080 / 0.120
G20     42.1           61.8               11.2 +/-    0.66      12.5 +/-    0.66  0.100 / 0.100
G21     144.4          45.3                9.5 +/-    0.58      12.7 +/-    0.58  0.050 / 0.060
G24     59.0           26.5                6.1 +/-    1.81      11.5 +/-    1.81  0.040 / 0.060
G27     258.9          33.6               10.7 +/-    1.98      17.5 +/-    1.98  0.080 / 0.130
G32     239.7          66.3                9.3 +/-    0.69      10.1 +/-    0.69  0.060 / 0.130