PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/09/26-00:43:00 G08 265.0 17.8 14.1 +/- 0.69 32.8 +/- 0.69 0.030 / 0.030 G10 61.5 58.8 11.0 +/- 0.55 12.6 +/- 0.55 0.030 / 0.020 G11 310.0 19.0 9.0 +/- 1.36 20.4 +/- 1.36 0.140 / 0.180 G14 271.7 68.0 8.2 +/- 0.65 8.8 +/- 0.65 0.070 / 0.220 G18 92.6 35.8 10.2 +/- 0.80 15.9 +/- 0.80 0.150 / 0.260 G21 154.0 13.0 10.0 +/- 2.86 26.0 +/- 2.86 0.130 / 0.270 G24 39.9 10.8 9.6 +/- 3.90 26.3 +/- 3.90 0.050 / 0.090 G27 229.8 14.8 15.1 +/- 1.85 37.6 +/- 1.85 0.060 / 0.110 G31 180.0 29.1 10.5 +/- 1.33 18.7 +/- 1.33 0.340 / 0.270 G32 329.3 74.0 8.3 +/- 0.48 8.6 +/- 0.48 0.230 / 0.350