PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/10-19:12:30 G10 291.5 50.7 16.7 +/- 0.77 20.8 +/- 0.77 0.050 / 0.050 G15 47.0 31.8 12.2 +/- 0.67 20.7 +/- 0.67 0.080 / 0.050 G20 344.2 65.4 14.5 +/- 0.70 15.8 +/- 0.70 0.050 / 0.110 G21 73.9 76.7 17.7 +/- 0.60 18.1 +/- 0.60 0.060 / 0.110 G24 105.1 24.4 16.6 +/- 0.99 32.9 +/- 0.99 0.070 / 0.200 G27 306.2 31.8 15.5 +/- 1.37 26.2 +/- 1.37 0.070 / 0.130 G29 168.2 13.2 17.1 +/- 4.28 44.5 +/- 4.28 0.050 / 0.040 G32 207.9 27.6 16.8 +/- 1.41 31.0 +/- 1.41 0.040 / 0.050