PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/17-00:27:40 G03 251.5 69.5 7.1 +/- 1.12 7.6 +/- 1.12 0.040 / 0.040 G09 302.6 19.1 4.3 +/- 1.00 9.8 +/- 1.00 0.030 / 0.050 G14 97.0 16.2 5.5 +/- 1.43 13.3 +/- 1.43 0.150 / 0.370 G16 131.9 56.2 9.6 +/- 0.85 11.3 +/- 0.85 0.110 / 0.390 G22 199.8 59.5 7.4 +/- 1.22 8.4 +/- 1.22 0.050 / 0.070 G23 315.2 44.6 6.3 +/- 1.52 8.5 +/- 1.52 0.050 / 0.080 G26 76.2 53.7 5.8 +/- 0.46 7.0 +/- 0.46 0.040 / 0.050 G31 50.0 24.0 2.9 +/- 1.19 5.8 +/- 1.19 0.040 / 0.050