PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/09-04:27:40 G08 314.4 16.2 8.4 +/- 3.13 20.2 +/- 3.13 0.040 / 0.050 G10 326.0 59.2 7.9 +/- 1.02 9.0 +/- 1.02 0.040 / 0.060 G14 215.4 26.7 9.9 +/- 3.19 18.6 +/- 3.19 0.060 / 0.090 G15 46.2 13.1 2.8 +/- 0.75 7.4 +/- 0.75 0.070 / 0.070 G20 28.8 62.0 7.2 +/- 0.61 8.1 +/- 0.61 0.030 / 0.050 G21 129.3 61.2 -1.7 +/- 0.90 -1.9 +/- 0.90 0.040 / 0.040 G24 79.1 30.0 6.8 +/- 0.90 11.9 +/- 0.90 0.080 / 0.240 G27 282.1 37.6 8.3 +/- 0.93 12.6 +/- 0.93 0.080 / 0.210 G32 219.4 45.1 12.2 +/- 1.22 16.4 +/- 1.22 0.160 / 0.370