PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/17-19:57:50
G01     312.8          29.7                9.9 +/-    1.68      17.4 +/-    1.68  0.110 / 0.170
G10     96.7           43.9               23.7 +/-    0.56      32.4 +/-    0.56  0.090 / 0.200
G11     294.6          24.7               10.1 +/-    1.55      19.9 +/-    1.55  0.040 / 0.050
G14     318.3          69.9                9.4 +/-    0.67       9.9 +/-    0.67  0.040 / 0.050
G20     115.5          17.9               11.5 +/-    0.87      26.6 +/-    0.87  0.040 / 0.070
G22     306.4          17.5                9.0 +/-    1.95      21.0 +/-    1.95  0.040 / 0.060
G25     91.2           13.0               10.4 +/-    2.77      27.2 +/-    2.77  0.130 / 0.310
G31     171.6          55.1               12.5 +/-    1.38      14.9 +/-    1.38  0.140 / 0.350
G32     27.9           57.8                8.8 +/-    0.71      10.2 +/-    0.71  0.090 / 0.140