PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/25-19:43:10 G10 273.5 43.1 8.8 +/- 0.87 12.1 +/- 0.87 0.110 / 0.160 G13 39.3 13.1 6.9 +/- 0.74 18.0 +/- 0.74 0.100 / 0.150 G15 54.1 44.5 8.8 +/- 0.61 11.9 +/- 0.61 0.040 / 0.040 G16 273.6 10.8 9.3 +/- 2.28 25.5 +/- 2.28 0.060 / 0.050 G20 311.0 63.0 9.3 +/- 0.86 10.3 +/- 0.86 0.180 / 0.690 G21 15.6 74.3 12.2 +/- 0.56 12.6 +/- 0.56 0.130 / 0.600 G24 117.8 17.1 12.5 +/- 1.27 29.6 +/- 1.27 0.090 / 0.250 G27 316.3 22.6 7.2 +/- 1.05 14.9 +/- 1.05 0.100 / 0.220 G29 167.9 26.6 12.6 +/- 0.67 23.9 +/- 0.67 0.090 / 0.220 G32 204.6 14.3 13.3 +/- 2.14 33.7 +/- 2.14 0.090 / 0.240