PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/29-06:42:40
G01     118.7          18.1                5.5 +/-    0.77      12.7 +/-    0.77  0.120 / 0.200
G07     84.2           65.2                6.9 +/-    0.34       7.5 +/-    0.34  0.120 / 0.170
G08     44.0           28.7                3.7 +/-    2.43       6.7 +/-    2.43  0.220 / 0.370
G09     173.9          21.7                5.0 +/-    0.84      10.7 +/-    0.84  0.240 / 0.390
G11     104.0          40.3                7.0 +/-    0.63      10.2 +/-    0.63  0.030 / 0.030
G13     317.3          20.2                4.1 +/-    1.73       9.1 +/-    1.73  0.030 / 0.040
G17     200.8          27.2                5.8 +/-    2.16      10.8 +/-    2.16  0.030 / 0.030
G18     91.4           20.8                6.2 +/-    1.46      13.3 +/-    1.46  0.030 / 0.030
G28     291.3          56.7                6.6 +/-    1.24       7.7 +/-    1.24  0.140 / 0.220
G30     343.7          67.9                5.6 +/-    0.57       6.0 +/-    0.57  0.120 / 0.220