PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/08/22-00:42:50 G10 294.4 50.3 12.0 +/- 0.81 15.1 +/- 0.81 0.040 / 0.050 G14 209.7 12.2 15.1 +/- 3.85 40.1 +/- 3.85 0.040 / 0.050 G15 46.6 31.0 11.4 +/- 0.70 19.6 +/- 0.70 0.050 / 0.040 G18 352.7 66.4 11.4 +/- 0.85 12.4 +/- 0.85 0.040 / 0.050 G20 70.8 18.0 10.0 +/- 1.27 23.0 +/- 1.27 0.060 / 0.110 G21 92.4 74.5 14.3 +/- 0.48 14.8 +/- 0.48 0.070 / 0.120 G24 100.6 25.9 14.2 +/- 0.94 27.2 +/- 0.94 0.110 / 0.360 G27 300.3 34.6 13.0 +/- 1.42 20.8 +/- 1.42 0.100 / 0.460 G32 210.6 29.1 15.9 +/- 2.27 28.4 +/- 2.27 0.060 / 0.090