PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/17-03:57:40
G01     317.2          21.6                5.3 +/-    3.06      11.2 +/-    3.06  0.110 / 0.220
G08     252.0          10.9                2.2 +/-    8.98       6.0 +/-    8.98  0.080 / 0.240
G10     85.2           51.8                5.4 +/-    0.44       6.7 +/-    0.44  0.050 / 0.040
G11     297.3          26.7                3.9 +/-    1.11       7.4 +/-    1.11  0.050 / 0.030
G14     316.4          71.6                5.8 +/-    2.05       6.1 +/-    2.05  0.110 / 0.230
G18     104.8          27.2              -48.3 +/-   44.45     -89.6 +/-   44.45  0.100 / 0.200
G22     302.5          13.8                9.0 +/-    3.03      23.0 +/-    3.03  0.130 / 0.450
G25     93.3           10.2              -16.4 +/-   21.20     -45.6 +/-   21.20  0.040 / 0.050
G31     175.7          46.1               37.2 +/-   18.14      49.4 +/-   18.14  0.050 / 0.050
G32     11.7           65.4              -12.4 +/-    8.43     -13.5 +/-    8.43  0.050 / 0.060