PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/24-21:43:10 G10 267.8 39.9 12.2 +/- 0.82 17.8 +/- 0.82 0.040 / 0.060 G13 41.3 17.0 7.1 +/- 1.13 16.9 +/- 1.13 0.040 / 0.050 G15 59.2 49.1 10.3 +/- 0.89 13.1 +/- 0.89 0.170 / 0.460 G16 278.6 12.5 11.0 +/- 2.33 28.9 +/- 2.33 0.200 / 0.410 G20 299.2 60.6 10.1 +/- 0.41 11.4 +/- 0.41 0.110 / 0.170 G21 1.6 71.4 11.1 +/- 0.76 11.7 +/- 0.76 0.100 / 0.210 G24 121.5 14.3 11.7 +/- 2.19 29.5 +/- 2.19 0.140 / 0.390 G27 318.9 18.7 9.2 +/- 1.79 21.0 +/- 1.79 0.160 / 0.330 G29 167.2 31.2 11.2 +/- 1.19 19.1 +/- 1.19 0.090 / 0.280