PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/09-22:57:40
G08     295.0          21.9                7.4 +/-    1.60      15.6 +/-    1.60  0.040 / 0.090
G10     14.8           62.6                8.3 +/-    0.64       9.2 +/-    0.64  0.050 / 0.090
G14     230.2          45.6                9.8 +/-    1.88      13.1 +/-    1.88  0.090 / 0.140
G18     318.0          11.6               -1.7 +/-   25.09      -4.6 +/-   25.09  0.120 / 0.140
G20     68.6           50.6                7.6 +/-    1.20       9.5 +/-    1.20  0.280 / 0.460
G21     147.8          39.8                9.1 +/-    0.56      13.4 +/-    0.56  0.240 / 0.350
G24     55.7           25.6                8.7 +/-    1.83      16.8 +/-    1.83  0.090 / 0.170
G27     252.9          31.3                8.0 +/-    2.94      13.7 +/-    2.94  0.090 / 0.180
G32     248.6          69.4                7.3 +/-    0.37       7.7 +/-    0.37  0.030 / 0.020