PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/19-21:27:50 G08 314.7 15.7 7.9 +/- 2.48 19.3 +/- 2.48 0.050 / 0.040 G10 328.2 59.6 8.2 +/- 0.78 9.4 +/- 0.78 0.030 / 0.040 G14 215.9 24.8 12.4 +/- 3.90 24.3 +/- 3.90 0.210 / 0.310 G15 46.4 13.5 6.7 +/- 1.89 17.3 +/- 1.89 0.110 / 0.260 G20 32.7 61.1 10.1 +/- 0.76 11.3 +/- 0.76 0.170 / 0.230 G21 130.1 61.5 10.9 +/- 0.95 12.2 +/- 0.95 0.210 / 0.180 G24 79.9 30.6 9.6 +/- 0.99 16.6 +/- 0.99 0.060 / 0.060 G27 280.2 38.1 10.0 +/- 1.94 15.1 +/- 1.94 0.080 / 0.060 G32 219.4 49.1 12.0 +/- 1.48 15.3 +/- 1.48 0.060 / 0.080