PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/27-03:27:50 G01 253.1 37.9 7.2 +/- 1.12 10.9 +/- 1.12 0.050 / 0.110 G03 316.7 39.8 4.3 +/- 1.97 6.3 +/- 1.97 0.050 / 0.110 G11 241.3 13.3 7.2 +/- 1.37 18.7 +/- 1.37 0.050 / 0.080 G14 54.4 44.5 4.9 +/- 0.69 6.6 +/- 0.69 0.040 / 0.080 G18 222.6 30.0 6.8 +/- 0.62 12.0 +/- 0.62 0.050 / 0.050 G22 308.8 61.4 6.5 +/- 0.43 7.3 +/- 0.43 0.040 / 0.050 G25 43.6 12.4 3.5 +/- 0.94 9.2 +/- 0.94 0.210 / 0.580 G26 139.2 35.1 7.6 +/- 0.83 12.0 +/- 0.83 0.220 / 0.650 G31 43.2 60.5 4.7 +/- 0.57 5.3 +/- 0.57 0.120 / 0.170 G32 73.8 25.3 5.4 +/- 0.94 10.6 +/- 0.94 0.120 / 0.180