PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/29-06:13:10
G07     48.2           69.3                5.9 +/-    0.66       6.2 +/-    0.66  0.040 / 0.060
G08     51.2           39.4                4.8 +/-    1.00       7.0 +/-    1.00  0.030 / 0.060
G09     175.0          35.0                7.3 +/-    2.11      11.6 +/-    2.11  0.040 / 0.030
G11     119.3          34.1                6.8 +/-    0.78      11.0 +/-    0.78  0.030 / 0.030
G17     198.7          14.2                2.7 +/-    1.77       6.8 +/-    1.77  0.130 / 0.270
G18     104.1          15.3                5.8 +/-    0.75      14.3 +/-    0.75  0.210 / 0.400
G23     161.4          11.8                3.3 +/-    2.18       8.8 +/-    2.18  0.110 / 0.260
G27     38.0           10.9                3.3 +/-    1.28       9.0 +/-    1.28  0.110 / 0.210
G28     270.4          50.3                5.7 +/-    1.08       7.1 +/-    1.08  0.100 / 0.300
G30     327.7          56.9                4.3 +/-    0.79       5.0 +/-    0.79  0.130 / 0.290