PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/03-08:12:30
G07     308.7          47.4                4.3 +/-    1.66       5.6 +/-    1.66  0.100 / 0.200
G08     122.5          42.3                5.5 +/-    1.31       7.8 +/-    1.31  0.080 / 0.210
G09     286.2          83.5                3.4 +/-    0.79       3.4 +/-    0.79  0.040 / 0.060
G16     42.3           20.2                1.1 +/-    1.08       2.4 +/-    1.08  0.050 / 0.060
G23     146.1          63.8                6.1 +/-    0.88       6.8 +/-    0.88  0.050 / 0.060
G27     78.0           37.4                3.5 +/-    0.62       5.3 +/-    0.62  0.050 / 0.060
G28     224.7          13.4                4.0 +/-    1.86      10.4 +/-    1.86  0.040 / 0.060
G30     286.0          21.1                3.4 +/-    2.75       7.3 +/-    2.75  0.050 / 0.060