PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/29-23:58:10
G01     317.9          20.9                5.6 +/-    2.61      12.1 +/-    2.61  0.180 / 0.240
G08     252.8          11.3                9.3 +/-    3.11      25.1 +/-    3.11  0.250 / 0.200
G10     85.4           50.8                6.5 +/-    1.23       8.1 +/-    1.23  0.240 / 0.360
G11     298.9          25.2                6.9 +/-    1.07      13.4 +/-    1.07  0.280 / 0.350
G14     306.9          71.0                6.4 +/-    0.75       6.7 +/-    0.75  0.040 / 0.050
G18     300.1          43.9                6.6 +/-    4.52       9.0 +/-    4.52  0.040 / 0.040
G20     108.3          26.5                7.3 +/-    0.97      13.8 +/-    0.97  0.070 / 0.150
G22     302.4          12.2                4.8 +/-    5.63      12.8 +/-    5.63  0.080 / 0.180
G31     174.9          46.1                9.1 +/-    1.32      12.1 +/-    1.32  0.170 / 0.300
G32     15.8           64.3                6.1 +/-    0.71       6.6 +/-    0.71  0.200 / 0.280