PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/15-22:42:40
G08     290.2          22.2               10.9 +/-    1.90      22.7 +/-    1.90  0.100 / 0.130
G10     24.4           62.3                9.8 +/-    0.91      10.9 +/-    0.91  0.090 / 0.110
G14     234.3          49.2               14.4 +/-    0.93      18.3 +/-    0.93  0.060 / 0.120
G18     317.9          15.3                9.1 +/-    2.19      22.4 +/-    2.19  0.050 / 0.120
G20     74.5           48.0                9.9 +/-    1.77      12.8 +/-    1.77  0.060 / 0.090
G21     149.8          35.4               13.0 +/-    1.21      20.4 +/-    1.21  0.060 / 0.090
G24     52.0           23.5                9.0 +/-    0.94      18.3 +/-    0.94  0.090 / 0.270
G27     248.4          28.9               10.6 +/-    1.15      19.0 +/-    1.15  0.150 / 0.210
G31     181.7          12.5               19.3 +/-    1.72      50.8 +/-    1.72  0.110 / 0.440
G32     260.2          72.7               11.9 +/-    0.99      12.4 +/-    0.99  0.110 / 0.580