PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/21-22:13:10
G08     291.9          22.3                9.8 +/-    0.66      20.3 +/-    0.66  0.050 / 0.100
G10     20.1           62.5               12.7 +/-    0.41      14.2 +/-    0.41  0.050 / 0.110
G14     232.3          47.2               12.1 +/-    2.44      15.8 +/-    2.44  0.080 / 0.120
G18     318.0          13.6                8.5 +/-    1.88      21.9 +/-    1.88  0.080 / 0.110
G20     72.0           49.0               11.7 +/-    0.82      14.9 +/-    0.82  0.100 / 0.250
G21     148.9          37.4               12.3 +/-    0.73      18.7 +/-    0.73  0.110 / 0.360
G24     53.7           24.6                9.8 +/-    2.37      19.4 +/-    2.37  0.020 / 0.030
G27     250.4          30.1               12.9 +/-    1.47      22.5 +/-    1.47  0.020 / 0.020
G31     182.2          10.7               -4.3 +/-   21.52     -11.7 +/-   21.52  0.140 / 0.140
G32     254.7          71.5               12.0 +/-    0.62      12.6 +/-    0.62  0.150 / 0.110