PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/25-16:12:40 G10 297.2 52.6 7.6 +/- 1.97 9.3 +/- 1.97 0.050 / 0.090 G15 45.9 26.4 6.5 +/- 1.55 12.3 +/- 1.55 0.050 / 0.090 G20 356.5 65.2 8.2 +/- 0.46 9.0 +/- 0.46 0.040 / 0.040 G21 91.7 74.4 9.4 +/- 0.20 9.7 +/- 0.20 0.040 / 0.030 G24 101.1 26.1 9.5 +/- 0.91 18.0 +/- 0.91 0.090 / 0.060 G27 302.3 33.9 6.2 +/- 2.40 10.0 +/- 2.40 0.080 / 0.040 G32 209.0 31.9 10.0 +/- 1.30 16.9 +/- 1.30 0.140 / 0.150