PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/29-03:28:00
G01     312.6          28.1                6.8 +/-    0.83      12.5 +/-    0.83  0.030 / 0.030
G10     96.9           46.3                6.6 +/-    0.66       8.7 +/-    0.66  0.030 / 0.030
G11     288.4          28.9                6.4 +/-    1.82      11.4 +/-    1.82  0.110 / 0.250
G14     342.7          69.6                5.9 +/-    1.00       6.3 +/-    1.00  0.110 / 0.240
G18     111.7          20.8                6.1 +/-    1.15      13.1 +/-    1.15  0.100 / 0.150
G22     306.5          19.8                8.2 +/-    2.17      18.1 +/-    2.17  0.100 / 0.150
G25     85.8           13.7                6.2 +/-    1.31      15.9 +/-    1.31  0.080 / 0.200
G31     173.5          55.4                9.1 +/-    1.14      10.8 +/-    1.14  0.070 / 0.190
G32     24.2           59.5                5.1 +/-    0.50       5.8 +/-    0.50  0.030 / 0.050