PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/25-19:28:10
G08     320.8          11.1               -8.3 +/-   34.13     -22.6 +/-   34.13  0.180 / 0.440
G10     302.6          53.6                8.5 +/-    0.95      10.2 +/-    0.95  0.170 / 0.450
G14     211.0          14.6               11.4 +/-    3.27      28.5 +/-    3.27  0.100 / 0.090
G15     46.1           28.4                7.9 +/-    1.80      14.3 +/-    1.80  0.130 / 0.100
G20     0.3            65.1                8.6 +/-    0.67       9.4 +/-    0.67  0.030 / 0.040
G21     107.1          71.0               10.8 +/-    0.84      11.3 +/-    0.84  0.030 / 0.030
G24     90.2           27.0                9.0 +/-    2.24      16.8 +/-    2.24  0.090 / 0.120
G27     298.5          34.5                7.8 +/-    2.35      12.5 +/-    2.35  0.100 / 0.110
G32     211.8          35.5               10.4 +/-    1.67      16.4 +/-    1.67  0.170 / 0.370