PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/08-16:27:40
G01     309.4          31.3                4.7 +/-    2.10       8.1 +/-    2.10  0.030 / 0.050
G10     103.0          42.4                6.8 +/-    0.57       9.5 +/-    0.57  0.020 / 0.050
G11     287.6          27.0                5.9 +/-    1.78      11.1 +/-    1.78  0.120 / 0.170
G14     346.7          68.4                4.6 +/-    0.77       4.9 +/-    0.77  0.090 / 0.170
G22     308.9          24.6                6.0 +/-    2.85      11.8 +/-    2.85  0.040 / 0.050
G25     85.5           15.9                6.8 +/-    1.08      16.7 +/-    1.08  0.050 / 0.050
G31     168.4          62.3                7.3 +/-    0.71       8.2 +/-    0.71  0.050 / 0.170
G32     33.7           54.0                5.7 +/-    0.45       6.9 +/-    0.45  0.070 / 0.210