PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/11/09-20:13:00 G08 305.3 20.8 10.5 +/- 2.50 22.7 +/- 2.50 0.070 / 0.080 G10 338.3 60.8 9.3 +/- 0.68 10.5 +/- 0.68 0.060 / 0.100 G14 220.6 35.5 13.0 +/- 2.10 20.5 +/- 2.10 0.040 / 0.050 G18 46.7 56.9 10.4 +/- 0.40 12.1 +/- 0.40 0.050 / 0.050 G21 137.5 49.3 13.4 +/- 1.17 17.1 +/- 1.17 0.040 / 0.070 G24 70.7 30.2 10.2 +/- 1.04 17.7 +/- 1.04 0.040 / 0.050 G27 267.8 36.7 12.1 +/- 1.30 18.7 +/- 1.30 0.050 / 0.120 G32 227.3 54.0 13.5 +/- 0.81 16.3 +/- 0.81 0.060 / 0.130