PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/09/15-01:27:50 G08 264.9 17.8 11.8 +/- 1.27 27.5 +/- 1.27 0.080 / 0.100 G10 61.5 58.8 11.2 +/- 0.69 12.8 +/- 0.69 0.060 / 0.120 G11 309.8 19.2 9.8 +/- 1.45 22.1 +/- 1.45 0.030 / 0.030 G14 271.9 68.0 10.8 +/- 0.77 11.6 +/- 0.77 0.030 / 0.050 G18 92.5 36.1 9.7 +/- 1.28 15.1 +/- 1.28 0.140 / 0.220 G21 154.1 13.3 10.2 +/- 3.37 26.5 +/- 3.37 0.070 / 0.170 G24 39.9 10.8 8.7 +/- 3.34 24.0 +/- 3.34 0.330 / 0.270 G27 229.8 14.8 13.6 +/- 2.18 34.0 +/- 2.18 0.240 / 0.310 G31 179.6 29.6 12.8 +/- 1.31 22.6 +/- 1.31 0.040 / 0.050 G32 331.2 74.0 10.9 +/- 0.48 11.3 +/- 0.48 0.030 / 0.050