PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/02-04:43:00 G03 247.5 69.6 4.8 +/- 0.46 5.1 +/- 0.46 0.110 / 0.250 G09 302.0 16.8 4.6 +/- 3.15 11.0 +/- 3.15 0.110 / 0.300 G14 96.7 17.6 4.6 +/- 1.59 10.8 +/- 1.59 0.220 / 0.340 G16 128.1 56.7 5.2 +/- 0.38 6.1 +/- 0.38 0.220 / 0.250 G22 200.1 58.6 4.4 +/- 0.28 5.1 +/- 0.28 0.040 / 0.050 G23 319.3 49.4 5.0 +/- 0.88 6.3 +/- 0.88 0.040 / 0.050 G26 72.6 52.2 3.6 +/- 0.40 4.5 +/- 0.40 0.030 / 0.050 G31 51.7 19.8 3.3 +/- 1.69 7.2 +/- 1.69 0.050 / 0.040