PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/10-00:13:10
G01     126.5          12.2                9.4 +/-    2.43      25.0 +/-    2.43  0.110 / 0.130
G07     54.1           69.5                6.5 +/-    0.49       6.9 +/-    0.49  0.100 / 0.110
G08     51.0           40.8                4.8 +/-    0.64       7.0 +/-    0.64  0.050 / 0.040
G09     179.0          36.4                7.4 +/-    0.64      11.4 +/-    0.64  0.060 / 0.050
G11     120.5          35.0                8.2 +/-    1.65      13.1 +/-    1.65  0.160 / 0.260
G13     321.3          11.3               -2.3 +/-   16.79      -6.3 +/-   16.79  0.120 / 0.300
G17     200.5          14.6                8.3 +/-    2.87      20.9 +/-    2.87  0.220 / 0.290
G28     278.3          53.8                7.7 +/-    2.83       9.4 +/-    2.83  0.310 / 0.360
G30     340.9          64.4                5.2 +/-    0.86       5.7 +/-    0.86  0.060 / 0.090