PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/11-21:58:10 G08 315.6 15.0 8.3 +/- 2.00 20.6 +/- 2.00 0.070 / 0.090 G10 326.7 59.4 12.1 +/- 1.02 13.8 +/- 1.02 0.060 / 0.070 G14 215.6 24.3 14.7 +/- 3.70 29.2 +/- 3.70 0.040 / 0.050 G15 46.2 14.6 8.7 +/- 2.64 21.9 +/- 2.64 0.040 / 0.050 G20 30.7 61.5 10.4 +/- 0.67 11.7 +/- 0.67 0.120 / 0.360 G21 129.1 62.2 11.2 +/- 0.76 12.5 +/- 0.76 0.120 / 0.400 G24 80.7 30.5 11.5 +/- 0.55 19.9 +/- 0.55 0.140 / 0.370 G27 281.3 38.0 11.2 +/- 1.17 16.8 +/- 1.17 0.200 / 0.460 G32 218.9 48.2 13.4 +/- 1.76 17.3 +/- 1.76 0.120 / 0.320