PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/10/02-15:27:40 G02 328.7 80.4 13.0 +/- 0.50 13.1 +/- 0.50 0.110 / 0.160 G05 168.6 28.6 16.4 +/- 2.18 29.6 +/- 2.18 0.100 / 0.160 G06 40.8 44.2 9.8 +/- 1.08 13.4 +/- 1.08 0.030 / 0.040 G12 314.7 68.0 11.5 +/- 0.63 12.3 +/- 0.63 0.030 / 0.040 G17 85.5 10.7 11.2 +/- 2.49 30.8 +/- 2.49 0.070 / 0.230 G19 74.2 27.2 10.2 +/- 1.10 19.0 +/- 1.10 0.070 / 0.250 G24 231.9 24.9 13.0 +/- 1.39 25.4 +/- 1.39 0.030 / 0.040 G25 317.4 29.1 9.0 +/- 1.79 16.1 +/- 1.79 0.030 / 0.050 G29 286.1 10.9 0.4 +/- 26.41 1.1 +/- 26.41 0.070 / 0.380