PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/09/11-02:13:10 G01 317.6 20.8 8.5 +/- 2.34 18.3 +/- 2.34 0.040 / 0.030 G08 252.8 11.3 11.6 +/- 15.44 31.5 +/- 15.44 0.030 / 0.030 G10 84.1 52.2 9.2 +/- 0.78 11.3 +/- 0.78 0.240 / 0.250 G11 298.5 26.0 8.1 +/- 1.84 15.4 +/- 1.84 0.330 / 0.290 G14 313.3 71.6 8.8 +/- 0.63 9.2 +/- 0.63 0.360 / 0.360 G18 104.4 27.2 9.5 +/- 1.93 17.7 +/- 1.93 0.350 / 0.250 G22 302.0 12.6 7.6 +/- 4.14 20.0 +/- 4.14 0.230 / 0.310 G25 95.1 9.9 -6.7 +/- 36.24 -18.6 +/- 36.24 0.200 / 0.310 G31 177.0 44.3 11.1 +/- 0.84 15.1 +/- 0.84 0.040 / 0.050 G32 8.1 66.5 8.6 +/- 0.33 9.3 +/- 0.33 0.040 / 0.040