PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/17-01:12:50
G01     313.0          28.1                6.4 +/-    2.42      11.7 +/-    2.42  0.090 / 0.110
G10     97.7           44.9                7.7 +/-    1.29      10.4 +/-    1.29  0.080 / 0.090
G11     289.2          27.7                5.4 +/-    1.96      10.0 +/-    1.96  0.040 / 0.040
G14     335.4          69.9                7.4 +/-    0.60       7.8 +/-    0.60  0.040 / 0.040
G18     287.9          48.5                2.9 +/-    8.57       3.7 +/-    8.57  0.070 / 0.160
G20     115.4          19.7                7.7 +/-    1.06      17.0 +/-    1.06  0.070 / 0.160
G22     306.8          19.3                6.1 +/-    1.75      13.6 +/-    1.75  0.070 / 0.130
G25     87.4           13.7                8.9 +/-    1.12      22.9 +/-    1.12  0.060 / 0.170
G31     170.8          57.1                8.8 +/-    0.46      10.3 +/-    0.46  0.080 / 0.220
G32     29.0           57.1                6.3 +/-    1.02       7.4 +/-    1.02  0.200 / 0.230