PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/26-21:43:10
G10     246.1          23.0                8.5 +/-    3.60      17.3 +/-    3.60  0.040 / 0.050
G13     58.7           32.4                6.9 +/-    1.28      11.5 +/-    1.28  0.040 / 0.040
G15     105.2          58.9                8.2 +/-    0.99       9.5 +/-    0.99  0.170 / 0.500
G16     299.3          16.2                6.5 +/-    3.81      15.7 +/-    3.81  0.170 / 0.440
G20     249.1          12.0                3.4 +/-    3.95       9.2 +/-    3.95  0.080 / 0.130
G21     326.0          55.5                5.9 +/-    0.63       7.0 +/-    0.63  0.070 / 0.090
G26     271.4          17.8                7.8 +/-    1.48      18.2 +/-    1.48  0.030 / 0.030
G29     163.6          57.6                6.2 +/-    0.52       7.2 +/-    0.52  0.030 / 0.040