PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/11/17-01:12:40 G01 221.7 12.5 6.1 +/- 3.09 16.1 +/- 3.09 0.040 / 0.050 G03 270.7 69.2 3.8 +/- 0.78 4.0 +/- 0.78 0.030 / 0.040 G09 298.0 11.9 2.9 +/- 5.21 7.7 +/- 5.21 0.110 / 0.340 G14 92.7 19.5 5.5 +/- 0.81 12.2 +/- 0.81 0.130 / 0.330 G16 148.5 48.9 8.9 +/- 0.81 11.4 +/- 0.81 0.040 / 0.100 G22 206.4 65.6 6.4 +/- 0.61 6.9 +/- 0.61 0.040 / 0.110 G23 311.4 40.8 3.2 +/- 0.67 4.7 +/- 0.67 0.040 / 0.070 G26 90.8 56.1 4.8 +/- 0.40 5.7 +/- 0.40 0.040 / 0.070 G31 46.7 30.0 1.3 +/- 0.71 2.4 +/- 0.71 0.190 / 0.480