PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/10/01-23:28:20 G08 288.0 23.4 16.4 +/- 0.97 33.3 +/- 0.97 0.040 / 0.110 G10 13.6 63.3 14.2 +/- 0.51 15.7 +/- 0.51 0.050 / 0.110 G14 234.0 51.2 18.3 +/- 1.28 22.8 +/- 1.28 0.030 / 0.030 G18 68.2 49.1 15.3 +/- 0.92 19.5 +/- 0.92 0.040 / 0.040 G21 147.5 34.7 17.2 +/- 1.03 27.5 +/- 1.03 0.060 / 0.100 G24 53.9 25.0 13.4 +/- 0.47 26.2 +/- 0.47 0.050 / 0.110 G27 248.8 29.4 17.2 +/- 1.42 30.5 +/- 1.42 0.120 / 0.120 G32 250.9 67.2 15.7 +/- 0.62 16.9 +/- 0.62 0.110 / 0.090