PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/14-16:42:40 G05 46.7 23.6 6.3 +/- 0.62 12.8 +/- 0.62 0.070 / 0.140 G10 233.2 10.8 -6.2 +/- 39.61 -17.0 +/- 39.61 0.060 / 0.150 G13 80.3 35.3 8.2 +/- 0.84 13.0 +/- 0.84 0.160 / 0.240 G15 129.0 49.7 9.0 +/- 1.27 11.3 +/- 1.27 0.200 / 0.310 G16 317.1 11.2 3.4 +/- 11.09 9.2 +/- 11.09 0.050 / 0.090 G20 245.0 35.3 12.2 +/- 1.00 19.2 +/- 1.00 0.050 / 0.100 G21 309.2 43.6 7.8 +/- 1.47 10.7 +/- 1.47 0.050 / 0.130 G25 202.1 15.3 12.0 +/- 3.06 29.7 +/- 3.06 0.050 / 0.130 G26 292.1 20.2 9.1 +/- 1.53 19.9 +/- 1.53 0.030 / 0.030 G29 147.1 78.6 8.1 +/- 0.88 8.3 +/- 0.88 0.020 / 0.030