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 10.8 +/- 2.34 26.5 +/- 2.34 0.150 / 0.440 G10 73.2 54.1 11.8 +/- 0.39 14.2 +/- 0.39 0.130 / 0.570 G11 308.5 19.2 10.6 +/- 2.68 23.8 +/- 2.68 0.190 / 0.480 G14 276.3 67.6 8.4 +/- 0.88 9.0 +/- 0.88 0.160 / 0.450 G18 308.8 37.2 10.6 +/- 2.19 16.1 +/- 2.19 0.040 / 0.050 G20 101.7 31.6 12.2 +/- 0.93 20.8 +/- 0.93 0.040 / 0.060 G21 156.2 10.7 13.1 +/- 1.76 36.0 +/- 1.76 0.170 / 0.340 G27 227.6 12.4 11.2 +/- 7.15 29.5 +/- 7.15 0.190 / 0.370 G31 175.7 37.6 6.2 +/- 1.84 9.4 +/- 1.84 0.060 / 0.120 G32 357.6 70.9 10.4 +/- 0.91 11.0 +/- 0.91 0.060 / 0.100