PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/22-01:13:10 G08 269.2 17.0 10.8 +/- 2.03 25.6 +/- 2.03 0.200 / 0.440 G10 67.7 55.8 8.2 +/- 0.79 9.7 +/- 0.79 0.190 / 0.400 G11 310.5 17.8 3.2 +/- 16.35 7.4 +/- 16.35 0.040 / 0.060 G14 269.6 66.5 7.3 +/- 0.69 7.9 +/- 0.69 0.040 / 0.060 G18 311.0 34.7 7.2 +/- 1.35 11.6 +/- 1.35 0.140 / 0.220 G20 98.3 34.4 6.3 +/- 1.23 10.1 +/- 1.23 0.140 / 0.280 G21 155.8 13.8 9.5 +/- 1.95 24.3 +/- 1.95 0.170 / 0.240 G27 230.1 14.6 10.9 +/- 2.12 27.5 +/- 2.12 0.190 / 0.320 G31 176.4 34.2 11.3 +/- 1.91 18.2 +/- 1.91 0.080 / 0.220 G32 346.5 73.1 8.7 +/- 0.94 9.1 +/- 0.94 0.110 / 0.230