PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/14-12:58:10
G08     320.5          10.8              -14.0 +/-   19.61     -38.3 +/-   19.61  0.060 / 0.060
G10     308.7          55.0                3.1 +/-    1.20       3.7 +/-    1.20  0.050 / 0.070
G14     212.9          17.6                3.4 +/-    1.41       8.0 +/-    1.41  0.030 / 0.040
G15     45.4           20.0                2.6 +/-    2.23       5.6 +/-    2.23  0.030 / 0.040
G20     75.1           17.8                2.6 +/-    1.73       6.1 +/-    1.73  0.210 / 0.290
G21     117.8          66.1                5.7 +/-    0.86       6.2 +/-    0.86  0.120 / 0.230
G24     89.7           29.0                3.7 +/-    1.45       6.7 +/-    1.45  0.060 / 0.110
G27     290.2          37.2                5.8 +/-    3.34       8.8 +/-    3.34  0.080 / 0.110
G32     214.4          40.3                5.0 +/-    1.83       7.2 +/-    1.83  0.100 / 0.220