PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/08-16:28:00
G01     309.4          31.3                5.7 +/-    2.07       9.8 +/-    2.07  0.130 / 0.130
G10     103.0          42.4                7.5 +/-    0.74      10.4 +/-    0.74  0.070 / 0.150
G11     287.6          27.0                3.7 +/-    0.80       7.0 +/-    0.80  0.120 / 0.200
G14     346.7          68.4                5.3 +/-    0.31       5.6 +/-    0.31  0.070 / 0.140
G22     308.9          24.6                5.4 +/-    1.21      10.6 +/-    1.21  0.040 / 0.040
G25     85.5           15.9                6.2 +/-    1.78      15.0 +/-    1.78  0.030 / 0.040
G31     168.4          62.3                8.2 +/-    0.40       9.1 +/-    0.40  0.030 / 0.030
G32     33.7           54.0                6.1 +/-    1.22       7.4 +/-    1.22  0.030 / 0.030