PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/27-01:43:10
G08     266.5          18.8                5.3 +/-    1.46      12.0 +/-    1.46  0.130 / 0.340
G10     59.4           58.7                4.9 +/-    0.44       5.7 +/-    0.44  0.110 / 0.300
G11     311.6          17.3               -1.1 +/-   17.16      -2.6 +/-   17.16  0.090 / 0.340
G14     263.3          64.9                3.9 +/-    1.07       4.3 +/-    1.07  0.090 / 0.260
G18     312.9          31.1                7.3 +/-    3.35      12.4 +/-    3.35  0.050 / 0.060
G20     45.1           68.8                5.4 +/-    0.56       5.7 +/-    0.56  0.060 / 0.060
G21     154.9          17.6                3.6 +/-    2.81       8.4 +/-    2.81  0.160 / 0.350
G27     232.9          16.8                5.5 +/-    2.57      13.1 +/-    2.57  0.110 / 0.300
G31     176.9          30.9                6.5 +/-    1.08      11.2 +/-    1.08  0.100 / 0.170
G32     342.4          74.3                4.8 +/-    0.83       5.0 +/-    0.83  0.110 / 0.190