PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/09/05-23:43:00 G10 295.3 50.6 13.5 +/- 1.86 16.9 +/- 1.86 0.090 / 0.090 G14 209.8 12.7 25.1 +/- 3.25 65.9 +/- 3.25 0.110 / 0.060 G15 46.4 29.8 12.4 +/- 1.28 21.8 +/- 1.28 0.070 / 0.110 G18 355.2 66.3 13.0 +/- 0.66 14.1 +/- 0.66 0.070 / 0.110 G20 71.1 17.9 12.4 +/- 1.10 28.8 +/- 1.10 0.050 / 0.030 G21 95.4 73.7 15.0 +/- 0.53 15.6 +/- 0.53 0.040 / 0.040 G24 100.0 26.2 16.2 +/- 0.90 30.8 +/- 0.90 0.060 / 0.070 G27 299.6 34.8 14.6 +/- 1.01 23.3 +/- 1.01 0.080 / 0.070 G32 211.0 29.1 19.6 +/- 3.41 35.0 +/- 3.41 0.080 / 0.200