PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/11/11-17:43:00 G10 252.1 27.2 7.9 +/- 1.08 14.6 +/- 1.08 0.040 / 0.030 G13 52.9 30.1 8.9 +/- 1.52 15.6 +/- 1.52 0.040 / 0.040 G15 81.3 56.3 10.4 +/- 0.85 12.2 +/- 0.85 0.050 / 0.050 G16 300.1 13.0 6.7 +/- 2.48 17.5 +/- 2.48 0.050 / 0.060 G18 273.3 58.2 8.8 +/- 1.77 10.2 +/- 1.77 0.140 / 0.260 G20 42.9 48.4 7.8 +/- 1.52 10.1 +/- 1.52 0.090 / 0.260 G21 342.0 64.0 9.4 +/- 0.48 10.4 +/- 0.48 0.110 / 0.330 G26 270.2 14.6 6.6 +/- 1.25 16.5 +/- 1.25 0.120 / 0.370 G29 162.5 41.9 10.4 +/- 1.03 14.7 +/- 1.03 0.100 / 0.130