PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/28-15:43:10 G05 46.4 25.0 7.9 +/- 0.72 15.4 +/- 0.72 0.070 / 0.100 G10 232.7 10.3 -17.0 +/- 18.38 -47.2 +/- 18.38 0.080 / 0.110 G13 81.2 35.2 11.0 +/- 0.73 17.5 +/- 0.73 0.170 / 0.490 G15 128.9 49.3 10.8 +/- 0.86 13.8 +/- 0.86 0.120 / 0.490 G16 317.6 10.9 -0.4 +/- 19.67 -1.2 +/- 19.67 0.090 / 0.220 G20 244.5 35.1 11.3 +/- 1.53 17.9 +/- 1.53 0.110 / 0.170 G21 308.7 43.3 9.2 +/- 1.18 12.7 +/- 1.18 0.080 / 0.090 G25 202.4 15.8 10.5 +/- 2.78 25.6 +/- 2.78 0.060 / 0.090 G26 292.9 20.2 9.0 +/- 2.27 19.6 +/- 2.27 0.020 / 0.030 G29 145.6 79.6 8.4 +/- 0.69 8.5 +/- 0.69 0.030 / 0.080