PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/04-01:27:40 G08 296.3 21.5 7.4 +/- 1.40 15.6 +/- 1.40 0.070 / 0.110 G10 13.0 62.7 7.5 +/- 0.65 8.3 +/- 0.65 0.080 / 0.140 G14 229.9 46.2 12.6 +/- 1.05 16.7 +/- 1.05 0.040 / 0.040 G18 317.9 11.1 -6.6 +/- 22.51 -18.0 +/- 22.51 0.040 / 0.040 G20 66.6 51.8 8.8 +/- 0.36 10.8 +/- 0.36 0.060 / 0.140 G21 147.4 40.4 11.1 +/- 1.13 16.1 +/- 1.13 0.090 / 0.120 G24 55.9 25.6 8.2 +/- 0.77 15.9 +/- 0.77 0.050 / 0.100 G27 253.9 31.6 10.4 +/- 1.48 17.7 +/- 1.48 0.040 / 0.080 G32 246.3 67.8 9.6 +/- 0.98 10.3 +/- 0.98 0.070 / 0.100