PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/12-02:13:10
G01     296.0          38.9                5.0 +/-    1.19       7.4 +/-    1.19  0.080 / 0.090
G03     310.2          12.7                3.7 +/-    2.82       9.8 +/-    2.82  0.070 / 0.090
G10     116.4          31.5                5.5 +/-    0.91       9.3 +/-    0.91  0.050 / 0.090
G11     268.5          27.0                5.6 +/-    1.62      10.4 +/-    1.62  0.050 / 0.120
G14     16.1           61.7                4.0 +/-    0.61       4.4 +/-    0.61  0.040 / 0.060
G18     257.6          49.1                5.0 +/-    0.96       6.3 +/-    0.96  0.040 / 0.060
G22     312.9          34.3                3.7 +/-    1.74       5.9 +/-    1.74  0.080 / 0.240
G25     69.2           17.9                3.0 +/-    0.82       6.9 +/-    0.82  0.070 / 0.220
G31     142.6          76.3                5.1 +/-    0.36       5.2 +/-    0.36  0.070 / 0.100
G32     48.1           43.8                3.9 +/-    0.55       5.4 +/-    0.55  0.070 / 0.090