PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/09/06-05:12:40 G01 240.8 29.4 6.8 +/- 1.15 12.1 +/- 1.15 0.080 / 0.130 G03 312.8 50.6 4.3 +/- 0.82 5.4 +/- 0.82 0.090 / 0.120 G14 71.1 33.6 3.5 +/- 1.19 5.8 +/- 1.19 0.090 / 0.130 G16 160.6 26.1 7.5 +/- 0.70 14.2 +/- 0.70 0.120 / 0.150 G22 285.3 73.3 5.4 +/- 0.71 5.6 +/- 0.71 0.030 / 0.030 G23 293.1 23.9 5.1 +/- 1.10 10.3 +/- 1.10 0.030 / 0.030 G26 130.1 44.8 7.5 +/- 0.49 10.2 +/- 0.49 0.080 / 0.150 G31 39.8 50.6 3.4 +/- 0.68 4.2 +/- 0.68 0.090 / 0.170 G32 84.4 18.9 4.3 +/- 2.77 9.8 +/- 2.77 0.040 / 0.040