PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/17-21:43:10
G05     48.0           19.3                6.2 +/-    1.40      13.9 +/-    1.40  0.070 / 0.150
G10     234.7          10.7               -6.6 +/-   45.49     -18.2 +/-   45.49  0.090 / 0.150
G13     78.7           36.3                9.5 +/-    1.83      14.7 +/-    1.83  0.050 / 0.110
G15     133.4          50.0               10.8 +/-    1.33      13.7 +/-    1.33  0.050 / 0.090
G16     314.8          12.6               10.2 +/-    1.83      26.8 +/-    1.83  0.120 / 0.260
G20     239.6          4.9                12.2 +/-    1.02      37.1 +/-    1.02  0.110 / 0.290
G21     310.0          44.5                9.1 +/-    1.15      12.3 +/-    1.15  0.080 / 0.430
G25     199.9          12.4                9.7 +/-    4.06      25.5 +/-    4.06  0.100 / 0.340
G26     288.3          21.1               10.6 +/-    2.80      22.6 +/-    2.80  0.060 / 0.110
G29     153.9          76.6               10.4 +/-    0.77      10.7 +/-    0.77  0.060 / 0.100