PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/11/04-18:27:40 G10 258.7 32.2 14.3 +/- 1.59 24.0 +/- 1.59 0.080 / 0.250 G13 47.2 25.5 12.3 +/- 2.46 23.8 +/- 2.46 0.090 / 0.200 G15 68.8 53.2 12.8 +/- 0.51 15.5 +/- 0.51 0.040 / 0.040 G16 292.6 12.6 11.7 +/- 1.35 30.9 +/- 1.35 0.040 / 0.040 G18 286.2 61.9 12.4 +/- 1.19 13.8 +/- 1.19 0.050 / 0.060 G20 48.3 42.1 12.5 +/- 1.14 17.6 +/- 1.14 0.040 / 0.060 G21 354.0 68.6 13.7 +/- 0.56 14.6 +/- 0.56 0.210 / 0.370 G26 263.8 11.5 13.1 +/- 2.23 35.4 +/- 2.23 0.220 / 0.400 G27 320.9 13.8 10.2 +/- 2.73 26.2 +/- 2.73 0.110 / 0.290 G29 164.0 33.6 15.4 +/- 1.21 25.1 +/- 1.21 0.160 / 0.420