PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/17-04:27:50
G01     115.8          18.3                7.3 +/-    2.82      16.8 +/-    2.82  0.030 / 0.040
G07     83.7           65.8                6.3 +/-    0.32       6.9 +/-    0.32  0.030 / 0.030
G08     44.4           30.2                3.8 +/-    0.75       6.7 +/-    0.75  0.040 / 0.090
G09     174.3          22.2                7.4 +/-    1.37      15.5 +/-    1.37  0.060 / 0.090
G11     109.4          42.0                7.8 +/-    0.52      10.9 +/-    0.52  0.050 / 0.090
G13     316.5          21.7                3.1 +/-    3.15       6.6 +/-    3.15  0.050 / 0.090
G17     201.0          25.6                9.1 +/-    1.77      17.4 +/-    1.77  0.050 / 0.070
G28     283.0          52.1                7.6 +/-    1.07       9.4 +/-    1.07  0.050 / 0.080
G30     340.6          67.1                5.6 +/-    0.71       6.0 +/-    0.71  0.080 / 0.300