PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/16-21:43:00 G01 318.8 20.0 9.0 +/- 2.22 19.8 +/- 2.22 0.040 / 0.060 G08 258.8 13.5 9.8 +/- 1.08 25.3 +/- 1.08 0.040 / 0.060 G10 81.0 51.3 8.8 +/- 0.58 10.9 +/- 0.58 0.240 / 0.380 G11 305.0 21.1 9.0 +/- 1.51 19.3 +/- 1.51 0.180 / 0.350 G14 287.0 68.7 9.8 +/- 0.74 10.5 +/- 0.74 0.190 / 0.300 G20 106.3 27.3 8.8 +/- 1.55 16.3 +/- 1.55 0.200 / 0.290 G31 174.9 42.6 12.5 +/- 1.12 17.4 +/- 1.12 0.040 / 0.050 G32 9.9 67.0 8.1 +/- 0.55 8.7 +/- 0.55 0.040 / 0.040