PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/09/26-00:27:50 G08 271.6 20.4 12.3 +/- 2.04 26.9 +/- 2.04 0.110 / 0.270 G10 48.0 61.1 11.0 +/- 0.63 12.4 +/- 0.63 0.090 / 0.360 G11 314.3 14.5 10.4 +/- 2.58 26.2 +/- 2.58 0.090 / 0.260 G14 256.6 63.8 10.9 +/- 0.94 12.0 +/- 0.94 0.100 / 0.310 G18 85.8 40.1 11.4 +/- 0.51 16.5 +/- 0.51 0.050 / 0.110 G21 152.7 19.5 12.8 +/- 2.16 28.4 +/- 2.16 0.090 / 0.140 G24 43.1 15.6 10.2 +/- 1.83 24.9 +/- 1.83 0.030 / 0.030 G27 234.9 19.4 16.0 +/- 1.38 35.6 +/- 1.38 0.030 / 0.030 G31 181.2 22.3 13.9 +/- 3.18 28.9 +/- 3.18 0.090 / 0.190 G32 301.9 74.9 11.1 +/- 0.56 11.4 +/- 0.56 0.120 / 0.220