PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/22-21:58:10 G08 262.8 17.1 14.0 +/- 2.28 33.1 +/- 2.28 0.120 / 0.220 G10 66.8 56.8 10.4 +/- 0.29 12.2 +/- 0.29 0.120 / 0.220 G11 308.9 19.7 10.6 +/- 1.70 23.4 +/- 1.70 0.100 / 0.410 G14 273.3 67.8 12.8 +/- 0.78 13.7 +/- 0.78 0.110 / 0.370 G18 310.1 35.8 9.7 +/- 2.38 15.3 +/- 2.38 0.040 / 0.060 G20 98.1 34.7 11.8 +/- 0.62 18.9 +/- 0.62 0.040 / 0.060 G21 154.9 11.8 12.4 +/- 2.55 33.2 +/- 2.55 0.120 / 0.290 G27 231.2 14.4 14.5 +/- 1.00 36.6 +/- 1.00 0.120 / 0.300 G31 178.4 32.6 15.3 +/- 2.24 25.4 +/- 2.24 0.150 / 0.330 G32 349.6 72.6 12.3 +/- 0.78 12.8 +/- 0.78 0.160 / 0.310