PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/28-10:13:10
G07     336.0          58.9                3.1 +/-    1.00       3.5 +/-    1.00  0.070 / 0.110
G08     97.2           51.0                5.7 +/-    0.52       7.1 +/-    0.52  0.070 / 0.130
G09     183.3          72.2                7.1 +/-    0.62       7.4 +/-    0.62  0.040 / 0.050
G11     144.3          12.5                3.1 +/-    2.53       8.2 +/-    2.53  0.030 / 0.050
G16     46.4           10.1                3.5 +/-    1.35       9.7 +/-    1.35  0.030 / 0.080
G23     155.6          44.5                6.4 +/-    0.61       8.7 +/-    0.61  0.040 / 0.070
G27     55.1           31.2                4.6 +/-    1.21       7.8 +/-    1.21  0.040 / 0.070
G28     236.9          29.2                7.3 +/-    1.99      13.0 +/-    1.99  0.060 / 0.090
G30     300.2          32.9                4.0 +/-    0.96       6.7 +/-    0.96  0.120 / 0.530