PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/19-03:13:00 G01 221.4 13.9 5.3 +/- 6.45 13.5 +/- 6.45 0.040 / 0.040 G03 278.3 69.2 5.5 +/- 0.94 5.8 +/- 0.94 0.040 / 0.050 G09 296.5 11.0 -3.8 +/- 29.77 -10.4 +/- 29.77 0.180 / 0.300 G14 88.6 23.8 4.9 +/- 1.11 9.8 +/- 1.11 0.170 / 0.380 G16 140.1 49.0 8.1 +/- 0.72 10.3 +/- 0.72 0.100 / 0.200 G22 212.9 67.4 7.0 +/- 0.65 7.5 +/- 0.65 0.100 / 0.250 G23 311.5 41.9 5.3 +/- 1.65 7.5 +/- 1.65 0.050 / 0.080 G26 88.7 54.2 6.5 +/- 0.81 7.8 +/- 0.81 0.060 / 0.080 G31 47.5 27.2 3.1 +/- 2.18 5.8 +/- 2.18 0.150 / 0.480