PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/08-14:12:40
G01     39.5           14.1                5.3 +/-    1.50      13.5 +/-    1.50  0.090 / 0.080
G06     173.3          41.1               10.7 +/-    1.08      15.3 +/-    1.08  0.050 / 0.070
G13     235.0          21.4                9.2 +/-    1.78      19.6 +/-    1.78  0.110 / 0.220
G15     269.7          11.5                7.3 +/-    2.86      19.8 +/-    2.86  0.070 / 0.180
G17     353.6          71.7                8.0 +/-    0.42       8.4 +/-    0.42  0.120 / 0.350
G19     285.1          71.1                7.5 +/-    0.85       7.9 +/-    0.85  0.130 / 0.290
G24     316.0          19.8                6.1 +/-    1.15      13.6 +/-    1.15  0.070 / 0.080
G28     67.0           50.8                7.7 +/-    1.39       9.6 +/-    1.39  0.060 / 0.080
G30     155.0          25.8               10.6 +/-    1.87      20.4 +/-    1.87  0.090 / 0.260