PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/31-13:12:50
G01     47.1           23.1                5.2 +/-    1.81      10.7 +/-    1.81  0.070 / 0.070
G06     175.0          30.9                7.1 +/-    1.73      12.2 +/-    1.73  0.050 / 0.070
G11     43.6           10.4                5.6 +/-    1.58      15.4 +/-    1.58  0.120 / 0.340
G13     246.1          28.2                6.7 +/-    2.17      12.2 +/-    2.17  0.160 / 0.330
G15     283.9          14.0                3.9 +/-    2.17      10.0 +/-    2.17  0.080 / 0.180
G17     342.9          76.5                7.7 +/-    0.39       7.9 +/-    0.39  0.080 / 0.180
G19     250.2          59.1                6.9 +/-    1.11       7.9 +/-    1.11  0.110 / 0.130
G24     318.3          13.0               -5.2 +/-   23.93     -13.6 +/-   23.93  0.080 / 0.210
G28     57.8           51.4                6.3 +/-    0.69       7.8 +/-    0.69  0.110 / 0.110
G30     152.0          39.3                6.9 +/-    0.38      10.1 +/-    0.38  0.110 / 0.100