PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/08-22:13:10
G05     47.1           21.7                8.2 +/-    1.15      17.4 +/-    1.15  0.050 / 0.140
G13     82.7           36.2                9.9 +/-    0.86      15.4 +/-    0.86  0.060 / 0.130
G15     136.6          47.7               13.7 +/-    1.33      17.7 +/-    1.33  0.150 / 0.560
G16     317.3          11.3                3.0 +/-   19.74       8.0 +/-   19.74  0.150 / 0.550
G20     238.5          7.2                 9.1 +/-    1.83      26.7 +/-    1.83  0.180 / 0.250
G21     307.3          42.6                9.9 +/-    1.08      13.8 +/-    1.08  0.230 / 0.340
G25     201.6          14.9               14.5 +/-    1.56      36.2 +/-    1.56  0.030 / 0.030
G26     291.5          21.2               12.5 +/-    1.27      26.7 +/-    1.27  0.020 / 0.030
G29     149.7          80.1                9.7 +/-    0.52       9.8 +/-    0.52  0.040 / 0.100