PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/09-23:58:10
G08     267.0          16.6                7.9 +/-    2.11      18.8 +/-    2.11  0.110 / 0.270
G10     69.9           55.1                8.4 +/-    0.89      10.0 +/-    0.89  0.190 / 0.360
G11     309.9          18.2                4.5 +/-   12.20      10.3 +/-   12.20  0.040 / 0.060
G14     271.6          66.7                6.8 +/-    0.82       7.3 +/-    0.82  0.040 / 0.070
G18     310.2          35.6                7.7 +/-    0.91      12.0 +/-    0.91  0.060 / 0.090
G20     99.8           33.1                9.2 +/-    1.31      15.1 +/-    1.31  0.070 / 0.100
G21     155.9          12.6                7.6 +/-    1.55      19.9 +/-    1.55  0.170 / 0.300
G27     229.1          13.8                9.6 +/-    1.42      24.6 +/-    1.42  0.150 / 0.270
G31     176.2          35.5                7.9 +/-    1.32      12.4 +/-    1.32  0.020 / 0.020
G32     351.9          72.2                7.2 +/-    0.35       7.5 +/-    0.35  0.030 / 0.020