PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/11/27-00:58:10 G03 233.6 66.4 4.9 +/- 0.69 5.3 +/- 0.69 0.050 / 0.050 G09 305.0 20.2 2.6 +/- 1.82 5.7 +/- 1.82 0.040 / 0.050 G14 102.4 12.0 4.8 +/- 2.04 12.7 +/- 2.04 0.030 / 0.040 G16 131.8 60.4 7.5 +/- 0.69 8.5 +/- 0.69 0.030 / 0.040 G22 194.3 53.3 5.8 +/- 0.78 7.0 +/- 0.78 0.260 / 0.150 G23 320.6 50.3 4.6 +/- 0.81 5.7 +/- 0.81 0.320 / 0.370 G26 68.1 52.5 3.5 +/- 0.49 4.3 +/- 0.49 0.100 / 0.330 G31 52.8 20.1 2.1 +/- 2.90 4.7 +/- 2.90 0.100 / 0.290