PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/06-04:42:40 G10 284.6 46.9 7.8 +/- 1.22 10.2 +/- 1.22 0.030 / 0.040 G15 48.8 37.0 4.5 +/- 0.82 7.0 +/- 0.82 0.030 / 0.040 G20 353.8 66.2 5.4 +/- 1.03 5.9 +/- 1.03 0.080 / 0.110 G21 55.5 77.5 7.4 +/- 0.62 7.6 +/- 0.62 0.080 / 0.110 G24 106.4 22.4 6.9 +/- 0.52 14.4 +/- 0.52 0.040 / 0.060 G27 309.0 29.6 6.9 +/- 2.63 12.1 +/- 2.63 0.040 / 0.050 G29 169.0 16.8 7.9 +/- 2.71 18.9 +/- 2.71 0.040 / 0.080 G32 207.0 24.8 9.1 +/- 2.78 17.8 +/- 2.78 0.040 / 0.080