PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/06-21:27:40 G05 47.5 19.9 8.1 +/- 0.92 17.9 +/- 0.92 0.230 / 0.480 G10 233.9 11.4 7.6 +/- 37.33 20.7 +/- 37.33 0.180 / 0.360 G13 78.9 35.4 9.7 +/- 0.83 15.2 +/- 0.83 0.120 / 0.490 G15 129.2 50.3 12.0 +/- 0.76 15.0 +/- 0.76 0.150 / 0.490 G16 317.0 11.0 4.7 +/- 15.30 12.9 +/- 15.30 0.040 / 0.090 G20 245.4 34.4 12.8 +/- 2.79 20.5 +/- 2.79 0.040 / 0.090 G21 309.9 44.1 8.6 +/- 0.98 11.8 +/- 0.98 0.070 / 0.150 G25 201.7 14.4 14.8 +/- 2.55 37.4 +/- 2.55 0.080 / 0.110 G26 291.2 20.2 10.5 +/- 2.10 22.9 +/- 2.10 0.130 / 0.250 G29 148.6 76.0 10.8 +/- 1.33 11.1 +/- 1.33 0.130 / 0.280