PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/27-23:43:00
G08     262.4          16.7                8.6 +/-    1.01      20.6 +/-    1.01  0.150 / 0.360
G10     68.0           56.5                9.4 +/-    0.67      11.0 +/-    0.67  0.190 / 0.310
G11     308.4          20.0                5.5 +/-    2.74      12.1 +/-    2.74  0.110 / 0.420
G14     274.5          67.7                8.1 +/-    0.58       8.7 +/-    0.58  0.140 / 0.400
G18     309.8          35.8                7.8 +/-    1.49      12.2 +/-    1.49  0.040 / 0.040
G20     98.8           34.2                9.4 +/-    0.75      15.2 +/-    0.75  0.030 / 0.050
G21     155.2          11.8               11.5 +/-    1.31      31.0 +/-    1.31  0.140 / 0.330
G27     230.3          13.8               10.0 +/-    1.81      25.6 +/-    1.81  0.180 / 0.320
G31     177.4          34.3                9.3 +/-    1.92      14.9 +/-    1.92  0.160 / 0.250
G32     353.3          71.9                7.6 +/-    0.37       7.9 +/-    0.37  0.180 / 0.350