PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/18-23:42:50 G01 317.9 21.8 7.1 +/- 1.54 15.0 +/- 1.54 0.180 / 0.240 G08 258.0 12.3 9.1 +/- 4.48 24.1 +/- 4.48 0.230 / 0.150 G10 84.4 50.0 8.5 +/- 0.92 10.7 +/- 0.92 0.040 / 0.050 G11 302.2 22.7 6.7 +/- 1.51 13.9 +/- 1.51 0.040 / 0.050 G14 296.8 70.1 7.4 +/- 0.81 7.9 +/- 0.81 0.060 / 0.100 G18 302.2 42.7 7.2 +/- 2.25 10.0 +/- 2.25 0.060 / 0.080 G20 108.1 26.2 8.4 +/- 1.36 15.9 +/- 1.36 0.210 / 0.270 G22 302.0 10.6 -0.9 +/- 3.24 -2.6 +/- 3.24 0.230 / 0.450 G31 173.8 45.7 9.5 +/- 0.84 12.7 +/- 0.84 0.100 / 0.340 G32 12.9 65.6 5.9 +/- 0.56 6.4 +/- 0.56 0.030 / 0.030