PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/13-19:12:50
G01     312.9          28.4                9.5 +/-    1.89      17.1 +/-    1.89  0.180 / 0.160
G10     97.9           44.4                8.1 +/-    0.44      11.0 +/-    0.44  0.180 / 0.130
G11     288.5          27.9                6.0 +/-    0.60      11.0 +/-    0.60  0.030 / 0.050
G14     340.1          69.9                7.0 +/-    0.63       7.4 +/-    0.63  0.040 / 0.060
G18     285.1          50.1                7.8 +/-    1.12       9.8 +/-    1.12  0.040 / 0.050
G20     115.6          19.4                8.8 +/-    0.81      19.6 +/-    0.81  0.040 / 0.060
G22     306.9          19.6                6.3 +/-    2.13      14.0 +/-    2.13  0.080 / 0.180
G25     83.4           13.2                8.6 +/-    1.93      22.3 +/-    1.93  0.090 / 0.210
G31     176.0          53.6                8.7 +/-    1.10      10.5 +/-    1.10  0.100 / 0.160
G32     26.4           58.5                6.0 +/-    0.51       6.9 +/-    0.51  0.090 / 0.240