PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/23-04:42:30
G01     228.2          20.6                9.0 +/-    1.14      19.6 +/-    1.14  0.120 / 0.180
G03     299.1          64.3                6.9 +/-    0.94       7.5 +/-    0.94  0.100 / 0.170
G14     80.8           28.7                3.0 +/-    1.11       5.5 +/-    1.11  0.080 / 0.180
G16     149.0          40.0                7.9 +/-    0.97      11.5 +/-    0.97  0.070 / 0.150
G18     205.6          9.9                 7.5 +/-   14.94      20.8 +/-   14.94  0.040 / 0.040
G22     236.4          73.6                6.1 +/-    0.63       6.3 +/-    0.63  0.040 / 0.040
G23     305.2          36.4                6.3 +/-    1.45       9.7 +/-    1.45  0.060 / 0.110
G26     106.0          52.7                7.2 +/-    0.35       8.8 +/-    0.35  0.050 / 0.080
G31     44.2           35.0                3.6 +/-    1.10       5.7 +/-    1.10  0.050 / 0.100