PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/09-16:58:00 G03 224.4 66.5 11.0 +/- 1.13 11.8 +/- 1.13 0.140 / 0.300 G07 250.2 12.6 13.8 +/- 1.60 36.4 +/- 1.60 0.250 / 0.250 G09 304.4 19.3 8.4 +/- 1.27 18.9 +/- 1.27 0.080 / 0.170 G14 101.6 12.1 11.2 +/- 1.90 29.8 +/- 1.90 0.100 / 0.160 G16 133.2 59.0 10.9 +/- 0.68 12.4 +/- 0.68 0.160 / 0.320 G22 190.4 50.8 11.5 +/- 0.57 14.4 +/- 0.57 0.110 / 0.290 G23 320.1 49.9 9.4 +/- 0.60 11.9 +/- 0.60 0.050 / 0.040 G26 71.2 53.9 9.7 +/- 0.64 11.7 +/- 0.64 0.050 / 0.040 G31 52.8 19.9 7.3 +/- 3.50 16.0 +/- 3.50 0.030 / 0.050