PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/09/24-20:13:10 G05 48.6 19.7 11.7 +/- 0.53 25.9 +/- 0.53 0.040 / 0.080 G10 236.9 12.2 18.1 +/- 4.96 47.9 +/- 4.96 0.050 / 0.060 G13 76.4 37.4 14.2 +/- 0.47 21.5 +/- 0.47 0.100 / 0.230 G15 122.8 52.7 15.6 +/- 1.35 19.1 +/- 1.35 0.120 / 0.300 G16 316.5 10.5 -3.1 +/- 22.89 -8.6 +/- 22.89 0.170 / 0.700 G18 246.5 43.1 18.7 +/- 0.73 25.9 +/- 0.73 0.160 / 0.560 G20 28.8 65.4 14.9 +/- 0.44 16.2 +/- 0.44 0.040 / 0.110 G21 315.0 48.9 14.7 +/- 0.98 18.8 +/- 0.98 0.040 / 0.120 G26 290.4 19.1 15.4 +/- 1.43 34.7 +/- 1.43 0.040 / 0.050 G29 154.0 66.4 15.4 +/- 1.51 16.7 +/- 1.51 0.040 / 0.050