PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/12-00:12:40 G08 314.1 15.7 6.2 +/- 1.90 15.2 +/- 1.90 0.060 / 0.070 G10 332.6 60.2 8.4 +/- 0.41 9.5 +/- 0.41 0.070 / 0.080 G14 217.0 28.2 13.6 +/- 1.99 24.8 +/- 1.99 0.040 / 0.050 G15 46.7 11.5 7.7 +/- 4.41 20.9 +/- 4.41 0.040 / 0.050 G20 35.3 60.8 8.8 +/- 0.52 9.9 +/- 0.52 0.230 / 0.260 G21 132.9 59.3 11.7 +/- 0.68 13.3 +/- 0.68 0.250 / 0.200 G24 76.5 30.4 9.2 +/- 1.24 16.0 +/- 1.24 0.290 / 0.260 G27 277.3 37.8 10.0 +/- 0.95 15.2 +/- 0.95 0.130 / 0.220 G32 221.5 50.5 12.5 +/- 1.67 15.7 +/- 1.67 0.150 / 0.260