PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/05-14:12:30
G02     204.2          30.6                9.5 +/-    1.70      16.5 +/-    1.70  0.030 / 0.040
G06     153.5          70.0                9.8 +/-    1.49      10.3 +/-    1.49  0.050 / 0.040
G12     308.9          19.8                5.1 +/-    1.32      11.3 +/-    1.32  0.130 / 0.130
G17     37.6           47.7                7.8 +/-    0.43      10.1 +/-    0.43  0.070 / 0.120
G19     349.3          67.0                5.9 +/-    0.56       6.3 +/-    0.56  0.150 / 0.150
G24     296.8          39.3                7.2 +/-    0.76      10.6 +/-    0.76  0.080 / 0.180
G28     101.6          31.9                9.5 +/-    0.84      15.9 +/-    0.84  0.040 / 0.040