PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/24-11:12:50
G01     118.9          18.0                3.2 +/-    2.21       7.3 +/-    2.21  0.020 / 0.020
G07     81.4           66.3                4.8 +/-    0.68       5.2 +/-    0.68  0.030 / 0.020
G08     44.2           29.2                3.0 +/-    1.51       5.3 +/-    1.51  0.030 / 0.040
G09     175.1          23.4                5.7 +/-    0.97      11.6 +/-    0.97  0.040 / 0.030
G11     104.6          40.0                4.3 +/-    1.42       6.2 +/-    1.42  0.110 / 0.120
G13     317.5          19.9                1.0 +/-    1.64       2.2 +/-    1.64  0.110 / 0.140
G17     201.0          26.4                4.1 +/-    2.18       7.8 +/-    2.18  0.190 / 0.340
G18     93.3           20.8                2.9 +/-    2.61       6.4 +/-    2.61  0.260 / 0.300
G28     292.5          57.3                2.5 +/-    1.47       3.0 +/-    1.47  0.120 / 0.260
G30     343.2          67.5                3.8 +/-    0.71       4.1 +/-    0.71  0.120 / 0.210