PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/19-23:42:40
G01     317.2          23.3                7.3 +/-    1.63      14.9 +/-    1.63  0.210 / 0.160
G08     256.3          11.4               11.8 +/-    3.28      31.9 +/-    3.28  0.150 / 0.130
G10     87.0           48.9                9.1 +/-    1.13      11.7 +/-    1.13  0.040 / 0.050
G11     300.5          23.4                7.5 +/-    0.94      15.3 +/-    0.94  0.050 / 0.040
G14     302.4          70.4                7.9 +/-    0.48       8.4 +/-    0.48  0.100 / 0.060
G18     300.1          43.9                8.8 +/-    4.28      12.1 +/-    4.28  0.070 / 0.120
G20     109.5          24.9                8.6 +/-    1.21      16.9 +/-    1.21  0.030 / 0.020
G22     302.9          12.0                6.0 +/-    7.78      15.9 +/-    7.78  0.040 / 0.030
G31     173.2          47.7                9.9 +/-    0.79      12.9 +/-    0.79  0.140 / 0.330
G32     16.0           64.2                8.0 +/-    0.48       8.8 +/-    0.48  0.150 / 0.300