PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/12-18:28:00 G08 317.1 14.7 7.2 +/- 1.50 17.9 +/- 1.50 0.060 / 0.090 G10 311.9 56.1 8.1 +/- 0.87 9.6 +/- 0.87 0.060 / 0.090 G14 212.8 20.2 12.3 +/- 2.07 27.0 +/- 2.07 0.040 / 0.040 G15 45.7 22.6 6.6 +/- 0.67 13.7 +/- 0.67 0.040 / 0.050 G20 13.7 64.1 8.9 +/- 0.55 9.8 +/- 0.55 0.120 / 0.260 G21 119.5 65.8 10.4 +/- 0.68 11.3 +/- 0.68 0.140 / 0.200 G24 83.2 28.1 9.9 +/- 0.60 18.0 +/- 0.60 0.120 / 0.310 G27 292.1 36.1 9.8 +/- 0.86 15.3 +/- 0.86 0.200 / 0.340 G32 214.8 40.8 12.8 +/- 0.56 18.4 +/- 0.56 0.060 / 0.130