PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/11-06:43:00
G01     289.8          40.4                3.0 +/-    4.27       4.4 +/-    4.27  0.040 / 0.070
G03     312.2          17.4                5.6 +/-    3.25      13.0 +/-    3.25  0.060 / 0.070
G10     120.4          27.9                7.6 +/-    1.10      14.0 +/-    1.10  0.070 / 0.080
G11     264.0          25.6                8.0 +/-    4.87      15.4 +/-    4.87  0.060 / 0.080
G14     21.1           59.9                5.5 +/-    1.42       6.2 +/-    1.42  0.060 / 0.050
G18     251.8          47.1                6.2 +/-    6.12       8.1 +/-    6.12  0.050 / 0.040
G22     314.2          40.4                4.8 +/-    0.78       6.9 +/-    0.78  0.160 / 0.290
G25     65.8           18.7                3.7 +/-    0.91       8.4 +/-    0.91  0.090 / 0.210
G31     109.8          78.9                7.1 +/-    0.61       7.2 +/-    0.61  0.120 / 0.120
G32     53.2           39.8                4.9 +/-    0.96       7.2 +/-    0.96  0.090 / 0.120