PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/09-15:58:10 G02 71.3 23.2 9.4 +/- 0.46 19.1 +/- 0.46 0.020 / 0.050 G05 46.5 50.3 8.5 +/- 0.83 10.7 +/- 0.83 0.030 / 0.040 G12 180.0 16.7 10.0 +/- 1.39 23.9 +/- 1.39 0.090 / 0.210 G13 113.6 24.5 11.7 +/- 1.07 23.1 +/- 1.07 0.080 / 0.230 G15 154.7 25.3 12.6 +/- 1.58 24.4 +/- 1.58 0.070 / 0.210 G20 226.1 12.0 7.2 +/- 23.08 19.3 +/- 23.08 0.070 / 0.220 G21 283.9 25.8 11.3 +/- 1.57 21.7 +/- 1.57 0.050 / 0.090 G25 220.4 40.3 10.7 +/- 2.04 15.5 +/- 2.04 0.050 / 0.100 G26 317.5 11.5 2.9 +/- 5.71 7.8 +/- 5.71 0.030 / 0.040 G29 339.0 68.6 8.2 +/- 1.02 8.7 +/- 1.02 0.030 / 0.030