PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/14-18:12:40
G01     308.4          32.1                6.7 +/-    2.21      11.2 +/-    2.21  0.090 / 0.180
G10     104.3          41.6                8.5 +/-    0.79      12.0 +/-    0.79  0.130 / 0.170
G11     285.3          27.6                6.8 +/-    1.99      12.6 +/-    1.99  0.030 / 0.040
G14     351.8          67.7                4.4 +/-    0.69       4.7 +/-    0.69  0.030 / 0.040
G18     116.8          13.5                9.7 +/-    1.24      25.0 +/-    1.24  0.070 / 0.250
G22     309.1          24.7                5.9 +/-    2.15      11.6 +/-    2.15  0.080 / 0.220
G25     84.0           16.2                7.5 +/-    1.33      18.0 +/-    1.33  0.070 / 0.120
G31     169.0          63.0                7.0 +/-    0.81       7.7 +/-    0.81  0.070 / 0.120
G32     34.4           53.6                6.4 +/-    0.37       7.7 +/-    0.37  0.030 / 0.040