PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/09-21:12:40 G08 308.3 20.1 9.6 +/- 2.10 21.1 +/- 2.10 0.060 / 0.060 G10 332.8 60.1 10.8 +/- 0.67 12.3 +/- 0.67 0.070 / 0.060 G14 218.0 30.6 15.6 +/- 3.54 27.0 +/- 3.54 0.060 / 0.050 G15 46.9 14.1 10.4 +/- 2.61 26.4 +/- 2.61 0.040 / 0.040 G20 37.7 60.4 12.4 +/- 0.64 14.0 +/- 0.64 0.080 / 0.230 G21 134.4 56.4 15.4 +/- 0.34 18.1 +/- 0.34 0.150 / 0.170 G24 70.7 28.6 11.7 +/- 1.26 21.0 +/- 1.26 0.110 / 0.260 G27 276.5 37.0 11.2 +/- 1.52 17.2 +/- 1.52 0.160 / 0.300 G32 223.2 53.1 14.3 +/- 2.44 17.4 +/- 2.44 0.120 / 0.150