PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/11/30-16:12:40 G10 247.5 23.3 12.0 +/- 1.21 24.4 +/- 1.21 0.050 / 0.110 G13 58.1 32.9 8.0 +/- 1.00 13.3 +/- 1.00 0.040 / 0.110 G15 91.7 57.1 11.2 +/- 1.11 13.0 +/- 1.11 0.110 / 0.210 G16 304.1 13.3 7.1 +/- 1.77 18.4 +/- 1.77 0.150 / 0.290 G18 265.3 55.2 10.0 +/- 1.51 11.8 +/- 1.51 0.040 / 0.050 G20 38.2 53.8 8.5 +/- 0.76 10.3 +/- 0.76 0.040 / 0.050 G21 335.8 61.1 9.1 +/- 0.50 10.2 +/- 0.50 0.040 / 0.040 G26 274.5 16.6 10.5 +/- 1.94 25.2 +/- 1.94 0.040 / 0.050 G29 161.2 49.0 10.8 +/- 0.50 13.8 +/- 0.50 0.090 / 0.370