PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/10/29-20:58:10 G08 304.7 21.0 11.7 +/- 0.96 25.1 +/- 0.96 0.070 / 0.100 G10 339.2 61.0 12.5 +/- 0.82 14.1 +/- 0.82 0.060 / 0.090 G14 220.8 36.1 16.7 +/- 1.93 26.0 +/- 1.93 0.070 / 0.090 G18 47.1 56.8 12.7 +/- 0.56 14.9 +/- 0.56 0.060 / 0.080 G21 137.9 49.4 15.7 +/- 1.46 20.0 +/- 1.46 0.040 / 0.070 G24 70.3 30.2 14.3 +/- 0.85 24.9 +/- 0.85 0.040 / 0.080 G27 267.2 36.6 13.9 +/- 1.57 21.5 +/- 1.57 0.060 / 0.130 G32 227.7 54.0 15.0 +/- 1.15 18.1 +/- 1.15 0.060 / 0.130