PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/12/05-15:43:00 G10 244.2 20.3 10.6 +/- 3.93 23.2 +/- 3.93 0.200 / 0.200 G13 62.7 34.7 9.4 +/- 1.39 15.0 +/- 1.39 0.150 / 0.160 G15 100.4 56.8 11.3 +/- 0.75 13.2 +/- 0.75 0.040 / 0.040 G16 307.9 12.9 6.9 +/- 2.60 18.0 +/- 2.60 0.040 / 0.040 G18 259.5 52.5 10.8 +/- 2.22 13.2 +/- 2.22 0.230 / 0.390 G20 34.7 57.9 9.0 +/- 1.10 10.4 +/- 1.10 0.130 / 0.450 G21 330.7 58.5 9.0 +/- 0.85 10.4 +/- 0.85 0.040 / 0.060 G26 278.5 17.8 9.7 +/- 0.66 22.4 +/- 0.66 0.040 / 0.040 G29 159.6 54.0 11.3 +/- 0.77 13.6 +/- 0.77 0.080 / 0.100