PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/08/29-00:28:10 G08 319.5 12.2 8.9 +/- 1.47 23.5 +/- 1.47 0.070 / 0.100 G10 304.1 53.5 10.7 +/- 0.87 12.9 +/- 0.87 0.080 / 0.100 G14 211.6 18.3 14.3 +/- 2.21 33.0 +/- 2.21 0.030 / 0.050 G15 45.7 24.9 9.1 +/- 1.10 17.9 +/- 1.10 0.030 / 0.050 G18 8.1 65.1 10.4 +/- 0.59 11.3 +/- 0.59 0.070 / 0.130 G20 75.4 13.9 9.1 +/- 1.42 23.3 +/- 1.42 0.080 / 0.130 G21 111.2 69.9 13.9 +/- 0.76 14.7 +/- 0.76 0.050 / 0.090 G24 93.4 28.4 12.6 +/- 1.09 22.9 +/- 1.09 0.060 / 0.070 G27 292.7 36.9 12.4 +/- 0.84 19.0 +/- 0.84 0.110 / 0.440 G32 213.6 35.3 16.2 +/- 1.26 25.6 +/- 1.26 0.110 / 0.510