PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/16-17:43:00 G10 292.1 50.2 9.3 +/- 0.91 11.6 +/- 0.91 0.060 / 0.100 G15 47.4 33.9 6.8 +/- 0.55 11.0 +/- 0.55 0.070 / 0.110 G20 343.0 65.4 8.0 +/- 1.14 8.7 +/- 1.14 0.040 / 0.050 G21 87.1 74.5 9.7 +/- 0.78 10.1 +/- 0.78 0.040 / 0.050 G24 97.4 24.6 9.1 +/- 0.79 17.9 +/- 0.79 0.060 / 0.140 G27 306.2 30.9 8.7 +/- 1.62 15.0 +/- 1.62 0.070 / 0.120 G29 167.8 10.6 12.6 +/- 1.66 34.7 +/- 1.66 0.040 / 0.090 G32 209.0 28.0 11.4 +/- 1.70 20.9 +/- 1.70 0.050 / 0.070