PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/24-17:28:00 G10 264.8 38.4 14.5 +/- 0.94 21.7 +/- 0.94 0.210 / 0.200 G13 42.7 19.0 16.8 +/- 2.38 37.8 +/- 2.38 0.140 / 0.230 G15 60.6 49.2 15.2 +/- 0.59 19.4 +/- 0.59 0.110 / 0.540 G16 280.6 13.5 10.3 +/- 2.53 26.6 +/- 2.53 0.110 / 0.400 G20 296.5 60.5 15.6 +/- 0.95 17.6 +/- 0.95 0.090 / 0.080 G21 357.0 69.8 15.8 +/- 0.75 16.7 +/- 0.75 0.090 / 0.060 G24 124.4 12.6 16.6 +/- 5.15 43.8 +/- 5.15 0.100 / 0.450 G27 319.9 16.7 13.2 +/- 1.66 31.5 +/- 1.66 0.180 / 0.330 G29 167.1 35.0 17.1 +/- 0.94 27.1 +/- 0.94 0.240 / 0.330