PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/09/09-23:28:10 G10 296.8 51.2 11.1 +/- 2.41 13.8 +/- 2.41 0.080 / 0.070 G14 210.1 13.6 13.3 +/- 2.86 34.3 +/- 2.86 0.090 / 0.080 G15 46.2 28.8 10.9 +/- 1.53 19.6 +/- 1.53 0.040 / 0.040 G18 358.0 66.1 11.7 +/- 0.62 12.7 +/- 0.62 0.030 / 0.030 G20 71.8 17.3 11.3 +/- 0.94 26.5 +/- 0.94 0.060 / 0.130 G21 99.0 73.0 13.3 +/- 0.56 13.9 +/- 0.56 0.090 / 0.110 G24 98.8 26.6 12.8 +/- 1.19 24.0 +/- 1.19 0.110 / 0.230 G27 298.5 35.3 12.4 +/- 0.97 19.5 +/- 0.97 0.090 / 0.180 G32 211.4 30.0 13.2 +/- 3.15 23.1 +/- 3.15 0.090 / 0.080