PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/09-04:58:00 G01 245.1 33.7 9.1 +/- 2.70 14.7 +/- 2.70 0.040 / 0.040 G03 315.5 47.3 4.7 +/- 0.79 6.1 +/- 0.79 0.040 / 0.040 G14 62.6 39.7 5.0 +/- 0.91 7.2 +/- 0.91 0.110 / 0.110 G16 160.3 21.6 1.2 +/- 11.60 2.6 +/- 11.60 0.070 / 0.110 G18 217.2 24.2 7.8 +/- 1.12 15.6 +/- 1.12 0.050 / 0.090 G22 299.4 68.3 5.8 +/- 0.61 6.2 +/- 0.61 0.050 / 0.080 G23 290.9 24.7 4.5 +/- 4.42 8.9 +/- 4.42 0.100 / 0.280 G26 132.6 41.0 6.3 +/- 0.76 9.1 +/- 0.76 0.090 / 0.330 G31 41.4 53.0 3.8 +/- 0.52 4.7 +/- 0.52 0.050 / 0.070 G32 79.7 21.2 4.3 +/- 1.36 9.1 +/- 1.36 0.050 / 0.070