PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/09/26-00:12:40 G08 278.6 22.3 14.2 +/- 1.20 29.6 +/- 1.20 0.070 / 0.130 G10 33.4 62.6 11.1 +/- 0.90 12.3 +/- 0.90 0.060 / 0.140 G14 245.1 58.7 13.9 +/- 0.77 16.0 +/- 0.77 0.070 / 0.180 G18 78.5 44.2 11.9 +/- 0.23 16.3 +/- 0.23 0.080 / 0.170 G21 150.9 26.2 13.4 +/- 0.70 25.6 +/- 0.70 0.130 / 0.230 G24 47.1 20.1 11.3 +/- 1.40 24.8 +/- 1.40 0.210 / 0.240 G27 240.6 23.9 14.4 +/- 1.95 28.8 +/- 1.95 0.030 / 0.030 G31 182.6 15.7 15.8 +/- 1.67 38.5 +/- 1.67 0.030 / 0.040 G32 275.5 73.0 11.8 +/- 0.80 12.3 +/- 0.80 0.070 / 0.190