PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/09/14-00:13:10 G08 301.2 22.2 8.9 +/- 0.79 18.6 +/- 0.79 0.030 / 0.020 G10 345.2 61.7 8.0 +/- 0.90 8.9 +/- 0.90 0.030 / 0.030 G14 222.9 39.6 11.7 +/- 1.49 17.1 +/- 1.49 0.060 / 0.070 G18 50.1 56.2 10.2 +/- 0.76 12.1 +/- 0.76 0.050 / 0.080 G21 140.2 48.4 10.8 +/- 0.82 13.9 +/- 0.82 0.100 / 0.080 G24 66.9 29.7 9.9 +/- 1.10 17.5 +/- 1.10 0.090 / 0.090 G27 263.2 35.6 11.8 +/- 1.94 18.5 +/- 1.94 0.080 / 0.100 G32 231.0 56.8 10.0 +/- 1.86 11.7 +/- 1.86 0.080 / 0.140