PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/08-00:57:50
G08     319.9          11.9                6.3 +/-   26.72      16.8 +/-   26.72  0.060 / 0.080
G10     306.0          54.5                9.6 +/-    1.09      11.5 +/-    1.09  0.070 / 0.080
G14     212.0          15.4               15.1 +/-    2.71      37.3 +/-    2.71  0.030 / 0.030
G15     45.9           26.1                7.8 +/-    2.53      14.8 +/-    2.53  0.030 / 0.030
G20     307.7          54.4               10.2 +/-    0.58      12.2 +/-    0.58  0.110 / 0.110
G21     110.5          71.4               11.4 +/-    0.86      11.9 +/-    0.86  0.100 / 0.100
G24     89.7           28.0               10.9 +/-    0.90      19.9 +/-    0.90  0.160 / 0.410
G27     294.3          36.1               11.1 +/-    1.83      17.2 +/-    1.83  0.140 / 0.400
G32     212.8          39.4               14.7 +/-    1.35      21.6 +/-    1.35  0.250 / 0.350