PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/09-03:58:00 G10 302.7 54.0 7.8 +/- 1.24 9.3 +/- 1.24 0.100 / 0.080 G14 210.5 14.1 11.7 +/- 1.92 29.6 +/- 1.92 0.070 / 0.100 G15 45.7 24.7 5.8 +/- 2.37 11.5 +/- 2.37 0.060 / 0.050 G20 358.6 65.0 7.6 +/- 0.48 8.3 +/- 0.48 0.060 / 0.040 G21 103.9 72.3 10.1 +/- 1.01 10.6 +/- 1.01 0.040 / 0.040 G24 94.8 27.4 6.6 +/- 1.41 12.2 +/- 1.41 0.040 / 0.040 G27 298.8 34.8 8.0 +/- 1.24 12.7 +/- 1.24 0.250 / 0.430 G32 211.8 31.8 11.1 +/- 1.68 18.8 +/- 1.68 0.170 / 0.560