PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/24-17:43:00
G01     320.9          12.1               -6.0 +/-   34.22     -15.9 +/-   34.22  0.150 / 0.280
G08     261.7          16.8                7.1 +/-    1.63      17.0 +/-    1.63  0.130 / 0.240
G10     68.5           56.2                8.0 +/-    0.66       9.4 +/-    0.66  0.030 / 0.030
G11     308.0          20.3                7.3 +/-    1.35      16.0 +/-    1.35  0.040 / 0.040
G14     277.0          68.9                7.9 +/-    0.66       8.4 +/-    0.66  0.130 / 0.350
G18     308.6          38.1                4.7 +/-    1.20       7.0 +/-    1.20  0.110 / 0.350
G20     99.0           33.9                8.0 +/-    0.65      13.0 +/-    0.65  0.070 / 0.060
G27     231.5          14.2                6.4 +/-    1.19      16.2 +/-    1.19  0.070 / 0.050
G31     180.7          30.6                9.9 +/-    0.95      17.1 +/-    0.95  0.130 / 0.260
G32     346.4          72.7                8.4 +/-    0.75       8.8 +/-    0.75  0.230 / 0.270