PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/10-10:43:00
G08     286.9          20.9                7.1 +/-    1.53      15.2 +/-    1.53  0.090 / 0.090
G10     30.7           62.6                5.0 +/-    1.23       5.6 +/-    1.23  0.150 / 0.080
G14     240.3          52.3                9.8 +/-    3.15      12.0 +/-    3.15  0.150 / 0.120
G18     317.2          18.1                4.4 +/-    1.60      10.1 +/-    1.60  0.110 / 0.170
G21     150.9          29.2                7.8 +/-    1.45      13.8 +/-    1.45  0.060 / 0.110
G24     47.6           20.1                4.4 +/-    2.04       9.7 +/-    2.04  0.070 / 0.130
G27     243.1          25.3                6.9 +/-    1.21      13.4 +/-    1.21  0.110 / 0.170
G31     180.2          17.3                5.5 +/-    1.66      12.8 +/-    1.66  0.140 / 0.250
G32     282.0          75.8                7.6 +/-    0.64       7.9 +/-    0.64  0.130 / 0.210