PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/20-00:12:30
G08     301.0          20.7                9.0 +/-    1.97      19.5 +/-    1.97  0.050 / 0.070
G10     3.7            62.6                8.4 +/-    0.41       9.4 +/-    0.41  0.060 / 0.080
G14     226.2          41.8               12.8 +/-    1.71      18.0 +/-    1.71  0.060 / 0.110
G20     60.8           53.8               10.1 +/-    0.72      12.2 +/-    0.72  0.050 / 0.110
G21     145.1          44.8               11.0 +/-    0.67      14.9 +/-    0.67  0.050 / 0.120
G24     60.2           27.5                7.7 +/-    0.93      14.3 +/-    0.93  0.060 / 0.100
G27     258.6          33.7               10.1 +/-    1.10      16.5 +/-    1.10  0.100 / 0.290
G32     238.7          64.7               12.2 +/-    0.95      13.4 +/-    0.95  0.110 / 0.260