PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/10-09:58:10
G01     59.1           30.2                3.9 +/-    0.46       6.8 +/-    0.46  0.030 / 0.050
G07     142.5          20.4                6.2 +/-    1.65      13.4 +/-    1.65  0.040 / 0.040
G11     47.1           21.7                2.7 +/-    1.97       5.7 +/-    1.97  0.040 / 0.100
G13     260.9          35.1                4.8 +/-    1.10       7.6 +/-    1.10  0.050 / 0.130
G15     296.8          14.7                2.5 +/-    1.86       6.4 +/-    1.86  0.050 / 0.090
G17     270.0          78.8                5.8 +/-    0.59       5.9 +/-    0.59  0.050 / 0.090
G18     40.6           10.9                2.8 +/-    1.71       7.6 +/-    1.71  0.130 / 0.350
G19     232.6          47.5                6.1 +/-    0.60       7.9 +/-    0.60  0.130 / 0.360
G28     35.4           57.0                4.4 +/-    0.47       5.1 +/-    0.47  0.050 / 0.130
G30     144.9          53.1                7.7 +/-    0.76       9.4 +/-    0.76  0.060 / 0.100