PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/12-03:43:10
G07     320.1          53.2                4.6 +/-    0.77       5.6 +/-    0.77  0.030 / 0.040
G08     112.0          47.3                7.7 +/-    0.36      10.0 +/-    0.36  0.030 / 0.040
G09     201.3          81.9                6.5 +/-    0.51       6.5 +/-    0.51  0.050 / 0.050
G16     43.8           15.6                3.1 +/-    2.84       7.5 +/-    2.84  0.150 / 0.170
G23     151.8          55.5                6.8 +/-    0.46       8.1 +/-    0.46  0.030 / 0.040
G27     69.1           37.1                5.8 +/-    0.91       8.8 +/-    0.91  0.040 / 0.040
G28     229.2          19.1                5.2 +/-    1.80      11.7 +/-    1.80  0.030 / 0.020
G30     292.5          26.7                3.6 +/-    1.78       6.8 +/-    1.78  0.030 / 0.020