PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/08-06:12:50 G08 269.7 18.6 7.2 +/- 2.01 16.3 +/- 2.01 0.180 / 0.190 G10 61.0 57.6 5.2 +/- 0.77 6.0 +/- 0.77 0.130 / 0.190 G14 264.1 66.0 5.8 +/- 0.91 6.3 +/- 0.91 0.030 / 0.030 G18 312.7 32.2 3.0 +/- 0.94 5.0 +/- 0.94 0.030 / 0.030 G20 94.5 37.3 6.2 +/- 0.91 9.5 +/- 0.91 0.180 / 0.280 G21 154.8 16.4 3.9 +/- 2.04 9.4 +/- 2.04 0.140 / 0.320 G24 40.1 10.4 2.4 +/- 1.07 6.8 +/- 1.07 0.050 / 0.050 G27 233.4 17.1 6.5 +/- 1.79 15.4 +/- 1.79 0.040 / 0.050 G31 177.9 29.8 4.4 +/- 1.28 7.7 +/- 1.28 0.120 / 0.170 G32 323.4 74.9 4.8 +/- 0.45 4.9 +/- 0.45 0.080 / 0.150