PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/09-04:13:10 G08 318.8 12.8 6.0 +/- 1.28 15.6 +/- 1.28 0.040 / 0.050 G10 314.6 57.0 6.6 +/- 0.72 7.7 +/- 0.72 0.040 / 0.050 G14 212.8 20.8 10.8 +/- 2.06 23.3 +/- 2.06 0.050 / 0.080 G15 45.6 18.4 4.5 +/- 1.84 10.3 +/- 1.84 0.060 / 0.090 G20 15.3 63.8 7.8 +/- 0.36 8.6 +/- 0.36 0.040 / 0.030 G21 119.9 66.8 -2.9 +/- 0.64 -3.1 +/- 0.64 0.050 / 0.050 G24 86.6 29.3 6.8 +/- 0.90 12.0 +/- 0.90 0.190 / 0.310 G27 290.2 36.9 8.3 +/- 0.89 12.7 +/- 0.89 0.110 / 0.210 G32 215.4 38.9 11.3 +/- 1.08 16.7 +/- 1.08 0.180 / 0.300