PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/17-17:57:40
G08     300.0          22.3                9.9 +/-    0.95      20.6 +/-    0.95  0.080 / 0.090
G10     358.0          62.4               25.0 +/-    0.70      27.9 +/-    0.70  0.070 / 0.080
G14     223.9          35.7               11.7 +/-    1.94      18.4 +/-    1.94  0.080 / 0.110
G20     59.4           53.5                9.7 +/-    0.93      11.8 +/-    0.93  0.090 / 0.130
G21     143.0          46.7               10.5 +/-    0.41      13.8 +/-    0.41  0.110 / 0.210
G24     63.7           28.8                8.9 +/-    1.43      16.0 +/-    1.43  0.100 / 0.180
G27     261.5          35.1               11.6 +/-    2.12      18.4 +/-    2.12  0.050 / 0.060
G32     234.6          64.0               10.2 +/-    1.27      11.2 +/-    1.27  0.050 / 0.070