PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/17-04:43:10
G07     326.7          56.1                4.2 +/-    0.78       5.0 +/-    0.78  0.130 / 0.140
G08     109.6          49.8                6.0 +/-    0.63       7.5 +/-    0.63  0.140 / 0.150
G09     192.6          77.9                4.9 +/-    0.39       5.0 +/-    0.39  0.060 / 0.080
G11     150.9          10.1               -6.6 +/-    9.35     -18.2 +/-    9.35  0.050 / 0.070
G16     45.5           9.7                 0.2 +/-    3.53       0.6 +/-    3.53  0.040 / 0.050
G23     153.3          47.1                5.2 +/-    0.54       6.8 +/-    0.54  0.050 / 0.050
G27     61.0           34.1                5.2 +/-    1.25       8.3 +/-    1.25  0.040 / 0.020
G28     231.5          17.8                6.0 +/-    2.96      14.0 +/-    2.96  0.030 / 0.020
G30     296.3          29.5                4.7 +/-    2.20       8.3 +/-    2.20  0.320 / 0.280