PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/16-23:42:40
G01     319.2          18.7                3.9 +/-   21.84       8.8 +/-   21.84  0.110 / 0.210
G08     261.3          14.1                9.1 +/-    1.96      23.1 +/-    1.96  0.130 / 0.200
G10     79.0           52.1                8.0 +/-    1.28       9.8 +/-    1.28  0.040 / 0.050
G11     305.5          21.1                8.2 +/-    2.42      17.5 +/-    2.42  0.040 / 0.050
G14     286.1          69.0                7.1 +/-    0.90       7.6 +/-    0.90  0.070 / 0.100
G18     305.8          40.1                7.6 +/-    2.36      11.1 +/-    2.36  0.080 / 0.090
G20     104.9          28.9                9.8 +/-    1.40      17.5 +/-    1.40  0.130 / 0.380
G31     174.8          41.6                9.4 +/-    0.86      13.3 +/-    0.86  0.110 / 0.490
G32     6.0            68.3                6.6 +/-    0.75       7.0 +/-    0.75  0.040 / 0.040