PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/18-06:12:40
G01     60.6           29.9                4.3 +/-    1.39       7.6 +/-    1.39  0.040 / 0.030
G06     179.6          12.9                0.2 +/-   18.50       0.5 +/-   18.50  0.040 / 0.040
G07     140.7          24.5                5.2 +/-    0.95      10.2 +/-    0.95  0.100 / 0.170
G11     50.4           29.1                3.9 +/-    1.25       7.0 +/-    1.25  0.110 / 0.230
G13     263.8          37.2                7.1 +/-    1.68      10.9 +/-    1.68  0.050 / 0.050
G15     293.9          17.0                4.9 +/-    1.64      11.7 +/-    1.64  0.040 / 0.050
G17     248.5          75.3                7.1 +/-    0.45       7.3 +/-    0.45  0.030 / 0.020
G19     229.3          51.0                6.9 +/-    3.15       8.6 +/-    3.15  0.030 / 0.020
G28     15.8           60.7                6.0 +/-    1.68       6.8 +/-    1.68  0.110 / 0.100
G30     143.0          58.7                6.9 +/-    0.47       7.9 +/-    0.47  0.070 / 0.130