PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/27-21:27:50 G10 98.8 42.8 12.0 +/- 1.28 16.7 +/- 1.28 0.130 / 0.170 G11 292.1 25.4 12.1 +/- 1.47 23.4 +/- 1.47 0.100 / 0.210 G14 326.5 69.9 10.1 +/- 0.44 10.7 +/- 0.44 0.040 / 0.050 G20 116.7 17.1 11.5 +/- 2.43 27.2 +/- 2.43 0.040 / 0.050 G22 307.1 18.7 9.4 +/- 2.46 21.3 +/- 2.46 0.200 / 0.310 G25 89.8 13.8 10.9 +/- 2.38 27.9 +/- 2.38 0.200 / 0.400 G31 169.9 57.6 12.7 +/- 0.50 14.8 +/- 0.50 0.030 / 0.040 G32 29.7 56.7 9.5 +/- 1.12 11.1 +/- 1.12 0.040 / 0.040