PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/11/19-18:57:50 G08 317.8 13.7 17.9 +/- 2.18 46.0 +/- 2.18 0.060 / 0.080 G10 310.5 55.4 10.0 +/- 1.66 11.9 +/- 1.66 0.050 / 0.070 G14 213.1 20.9 12.4 +/- 2.97 26.7 +/- 2.97 0.040 / 0.030 G15 45.5 19.3 9.7 +/- 2.03 21.7 +/- 2.03 0.040 / 0.030 G18 20.7 63.2 10.6 +/- 1.19 11.7 +/- 1.19 0.110 / 0.320 G20 77.4 13.7 8.9 +/- 2.43 22.8 +/- 2.43 0.140 / 0.340 G21 120.8 63.1 13.0 +/- 0.77 14.4 +/- 0.77 0.070 / 0.080 G24 88.8 29.4 13.5 +/- 1.02 23.9 +/- 1.02 0.060 / 0.090 G27 288.0 37.6 8.6 +/- 0.92 13.0 +/- 0.92 0.090 / 0.070 G32 215.6 39.3 12.6 +/- 1.02 18.5 +/- 1.02 0.060 / 0.080