PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/09/09-22:28:10 G10 296.7 51.7 11.7 +/- 1.12 14.5 +/- 1.12 0.040 / 0.040 G14 210.2 10.4 -5.9 +/- 25.35 -16.4 +/- 25.35 0.040 / 0.040 G15 47.1 34.0 9.7 +/- 0.84 15.7 +/- 0.84 0.060 / 0.110 G20 350.9 65.4 9.9 +/- 1.22 10.8 +/- 1.22 0.050 / 0.110 G21 94.0 74.6 12.9 +/- 0.84 13.3 +/- 0.84 0.260 / 0.820 G24 95.6 26.0 12.9 +/- 0.92 24.5 +/- 0.92 0.090 / 0.130 G27 301.9 33.4 11.6 +/- 1.02 18.9 +/- 1.02 0.080 / 0.120 G32 210.1 32.6 12.8 +/- 1.50 21.2 +/- 1.50 0.060 / 0.080