PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/10-17:58:00 G10 286.1 47.9 10.9 +/- 2.14 14.1 +/- 2.14 0.040 / 0.040 G15 49.0 38.0 9.4 +/- 0.72 14.1 +/- 0.72 0.040 / 0.030 G20 332.5 65.0 10.9 +/- 0.61 11.9 +/- 0.61 0.060 / 0.070 G21 69.2 76.2 12.2 +/- 0.87 12.6 +/- 0.87 0.050 / 0.050 G24 102.0 22.8 13.0 +/- 1.12 26.7 +/- 1.12 0.080 / 0.150 G27 309.9 28.5 8.4 +/- 1.51 15.2 +/- 1.51 0.070 / 0.130 G29 168.1 14.8 12.9 +/- 1.36 32.2 +/- 1.36 0.100 / 0.090 G32 207.5 23.9 14.9 +/- 2.07 29.8 +/- 2.07 0.100 / 0.110