PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/12/03-19:58:00 G08 267.6 18.2 8.4 +/- 1.69 19.3 +/- 1.69 0.170 / 0.250 G10 59.5 59.1 8.4 +/- 0.71 9.6 +/- 0.71 0.160 / 0.200 G11 312.0 16.7 9.2 +/- 2.23 22.0 +/- 2.23 0.180 / 0.290 G14 266.9 66.3 9.7 +/- 0.83 10.5 +/- 0.83 0.180 / 0.230 G18 92.3 35.2 9.3 +/- 0.92 14.8 +/- 0.92 0.080 / 0.120 G21 153.0 11.2 12.3 +/- 4.26 33.3 +/- 4.26 0.060 / 0.090 G24 40.4 11.4 8.6 +/- 3.76 23.3 +/- 3.76 0.030 / 0.020 G27 230.9 15.7 10.3 +/- 3.03 25.1 +/- 3.03 0.030 / 0.020 G31 180.1 28.1 11.5 +/- 1.61 20.9 +/- 1.61 0.230 / 0.430 G32 332.1 74.4 9.0 +/- 0.34 9.3 +/- 0.34 0.220 / 0.580