PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/24-09:28:00
G07     328.2          56.2                2.5 +/-    1.40       2.9 +/-    1.40  0.130 / 0.180
G08     101.1          50.4                6.1 +/-    0.94       7.7 +/-    0.94  0.090 / 0.190
G09     187.0          75.0                3.6 +/-    0.93       3.7 +/-    0.93  0.030 / 0.040
G11     146.7          11.6                3.9 +/-    2.49      10.5 +/-    2.49  0.030 / 0.060
G23     154.8          46.4                5.9 +/-    0.91       7.7 +/-    0.91  0.070 / 0.110
G27     59.0           33.6                4.6 +/-    0.75       7.5 +/-    0.75  0.060 / 0.110
G28     234.4          26.4                5.1 +/-    2.00       9.7 +/-    2.00  0.070 / 0.080
G30     298.2          31.2                3.3 +/-    1.51       5.7 +/-    1.51  0.060 / 0.090