PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/08-14:12:50
G01     61.1           30.9                8.2 +/-    0.97      14.0 +/-    0.97  0.040 / 0.040
G07     141.8          23.1               10.5 +/-    2.88      21.5 +/-    2.88  0.040 / 0.030
G11     48.2           23.6                7.5 +/-    2.35      15.1 +/-    2.35  0.100 / 0.120
G13     263.4          35.7                9.3 +/-    1.86      14.5 +/-    1.86  0.060 / 0.130
G15     297.8          14.9                5.3 +/-    2.73      13.1 +/-    2.73  0.050 / 0.100
G17     257.9          76.8                9.0 +/-    0.45       9.2 +/-    0.45  0.060 / 0.080
G18     42.6           13.1                6.5 +/-    1.75      16.9 +/-    1.75  0.080 / 0.090
G19     230.9          46.3                8.4 +/-    2.23      11.1 +/-    2.23  0.070 / 0.120
G28     33.8           57.1                8.0 +/-    1.21       9.4 +/-    1.21  0.080 / 0.150
G30     143.3          54.8               10.1 +/-    0.80      12.1 +/-    0.80  0.340 / 0.240