PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/26-00:42:50
G08     319.0          12.7                8.9 +/-    1.04      23.4 +/-    1.04  0.050 / 0.050
G10     305.3          53.9               10.0 +/-    1.28      12.1 +/-    1.28  0.040 / 0.050
G14     211.8          19.0               12.4 +/-    1.14      28.0 +/-    1.14  0.030 / 0.040
G15     45.6           24.3                9.2 +/-    1.35      18.3 +/-    1.35  0.030 / 0.050
G18     9.6            64.9                9.7 +/-    0.57      10.6 +/-    0.57  0.070 / 0.120
G20     76.0           13.4                9.4 +/-    1.52      24.3 +/-    1.52  0.070 / 0.130
G21     112.8          69.3               13.7 +/-    0.71      14.6 +/-    0.71  0.110 / 0.560
G24     92.5           28.6               11.4 +/-    1.31      20.6 +/-    1.31  0.110 / 0.430
G27     291.7          37.1               10.9 +/-    1.75      16.6 +/-    1.75  0.080 / 0.070
G32     214.0          36.2               14.4 +/-    1.73      22.3 +/-    1.73  0.060 / 0.070