PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/09/05-04:58:00 G01 249.6 34.6 10.4 +/- 1.79 16.6 +/- 1.79 0.180 / 0.150 G03 315.8 42.4 7.4 +/- 0.76 10.4 +/- 0.76 0.060 / 0.190 G11 234.4 12.3 8.5 +/- 1.39 22.6 +/- 1.39 0.030 / 0.030 G14 62.7 38.7 6.8 +/- 0.95 10.1 +/- 0.95 0.040 / 0.040 G16 164.4 18.1 8.7 +/- 1.76 20.0 +/- 1.76 0.060 / 0.090 G22 303.7 66.8 7.2 +/- 0.62 7.7 +/- 0.62 0.100 / 0.100 G23 286.7 18.6 8.0 +/- 1.30 18.2 +/- 1.30 0.030 / 0.030 G26 138.6 37.9 10.5 +/- 0.71 15.9 +/- 0.71 0.030 / 0.030 G31 40.0 59.2 7.3 +/- 0.72 8.4 +/- 0.72 0.110 / 0.200 G32 77.3 24.1 7.2 +/- 1.23 14.4 +/- 1.23 0.110 / 0.220