PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/11/07-21:42:40 G08 267.5 18.5 22.8 +/- 2.38 52.0 +/- 2.38 0.120 / 0.200 G10 58.2 59.4 20.3 +/- 0.69 23.2 +/- 0.69 0.110 / 0.200 G11 311.9 16.9 19.2 +/- 2.68 45.6 +/- 2.68 0.090 / 0.410 G14 266.2 66.4 23.1 +/- 1.19 24.9 +/- 1.19 0.080 / 0.390 G18 91.4 36.1 20.5 +/- 0.60 31.8 +/- 0.60 0.040 / 0.120 G21 153.2 13.0 26.7 +/- 1.95 69.6 +/- 1.95 0.090 / 0.120 G24 40.7 12.0 14.2 +/- 1.05 37.8 +/- 1.05 0.150 / 0.180 G27 231.3 16.1 28.4 +/- 1.52 68.7 +/- 1.52 0.160 / 0.240 G31 181.1 26.3 32.4 +/- 2.61 61.5 +/- 2.61 0.060 / 0.070 G32 326.1 74.6 22.2 +/- 0.75 23.0 +/- 0.75 0.040 / 0.050