PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/26-19:28:10
G02     59.9           33.6                6.7 +/-    1.00      10.9 +/-    1.00  0.030 / 0.040
G05     55.7           59.9                7.9 +/-    0.56       9.0 +/-    0.56  0.030 / 0.030
G12     180.8          26.5                8.3 +/-    1.20      15.7 +/-    1.20  0.160 / 0.250
G13     126.0          16.7                8.4 +/-    2.35      19.9 +/-    2.35  0.090 / 0.150
G15     165.5          12.2                8.4 +/-    3.45      22.3 +/-    3.45  0.070 / 0.090
G21     272.7          17.6                8.1 +/-    3.17      18.8 +/-    3.17  0.090 / 0.110
G25     231.8          50.1                7.9 +/-    3.47      10.0 +/-    3.47  0.060 / 0.060
G29     328.7          55.3                7.7 +/-    0.86       9.1 +/-    0.86  0.080 / 0.080