PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/26-07:12:30
G07     25.7           68.8                5.7 +/-    0.46       6.1 +/-    0.46  0.030 / 0.030
G08     63.1           48.7                5.6 +/-    1.70       7.2 +/-    1.70  0.030 / 0.030
G09     178.0          46.8                8.5 +/-    0.58      11.2 +/-    0.58  0.170 / 0.180
G11     130.4          29.4                7.4 +/-    1.22      13.0 +/-    1.22  0.090 / 0.440
G18     112.3          11.2                5.7 +/-    2.12      15.5 +/-    2.12  0.050 / 0.060
G23     159.8          16.9                4.6 +/-    1.77      11.0 +/-    1.77  0.040 / 0.050
G27     39.9           16.0                3.0 +/-    2.74       7.4 +/-    2.74  0.050 / 0.050
G28     255.9          40.1                6.7 +/-    1.67       9.8 +/-    1.67  0.050 / 0.050
G30     319.9          50.5                4.7 +/-    0.73       5.9 +/-    0.73  0.050 / 0.050