PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/07-15:12:30 G10 290.0 50.3 7.8 +/- 0.76 9.8 +/- 0.76 0.080 / 0.110 G15 46.8 30.4 4.9 +/- 0.67 8.6 +/- 0.67 0.060 / 0.090 G20 345.5 65.5 5.2 +/- 0.77 5.6 +/- 0.77 0.110 / 0.240 G21 73.8 76.1 8.7 +/- 0.82 9.0 +/- 0.82 0.160 / 0.280 G24 106.1 23.9 9.2 +/- 0.98 18.5 +/- 0.98 0.060 / 0.050 G27 307.0 31.3 6.6 +/- 1.30 11.3 +/- 1.30 0.080 / 0.050 G29 168.3 14.5 9.0 +/- 3.11 22.7 +/- 3.11 0.090 / 0.200 G32 207.3 27.2 7.4 +/- 1.30 13.8 +/- 1.30 0.080 / 0.160