PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/09/02-05:42:30 G03 251.2 68.6 6.1 +/- 0.73 6.5 +/- 0.73 0.040 / 0.070 G09 303.4 19.8 5.9 +/- 1.92 12.9 +/- 1.92 0.040 / 0.060 G14 98.1 16.0 5.0 +/- 2.03 12.2 +/- 2.03 0.100 / 0.410 G16 123.8 58.1 6.5 +/- 0.61 7.5 +/- 0.61 0.100 / 0.370 G22 199.8 58.5 6.2 +/- 1.83 7.1 +/- 1.83 0.040 / 0.060 G23 316.8 46.4 4.2 +/- 1.35 5.5 +/- 1.35 0.040 / 0.060 G26 69.2 50.7 5.4 +/- 0.37 6.7 +/- 0.37 0.040 / 0.060 G31 51.9 19.0 1.4 +/- 2.05 3.2 +/- 2.05 0.040 / 0.070