PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/14-23:42:50 G08 264.8 15.8 9.6 +/- 2.11 23.4 +/- 2.11 0.290 / 0.560 G10 73.2 54.1 10.3 +/- 0.98 12.4 +/- 0.98 0.260 / 0.600 G11 308.5 19.2 8.5 +/- 1.73 19.1 +/- 1.73 0.050 / 0.050 G14 276.3 67.6 9.9 +/- 0.83 10.6 +/- 0.83 0.040 / 0.040 G18 308.8 37.2 9.2 +/- 1.54 14.0 +/- 1.54 0.070 / 0.100 G20 101.7 31.6 10.0 +/- 0.91 17.0 +/- 0.91 0.050 / 0.100 G21 156.2 10.7 12.5 +/- 4.92 34.3 +/- 4.92 0.150 / 0.450 G27 227.6 12.4 9.6 +/- 4.55 25.5 +/- 4.55 0.180 / 0.360 G31 175.7 37.6 5.7 +/- 1.30 8.6 +/- 1.30 0.030 / 0.030 G32 357.6 70.9 8.6 +/- 1.06 9.1 +/- 1.06 0.040 / 0.030