PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/09-18:27:40 G01 38.0 11.3 9.6 +/- 2.37 26.1 +/- 2.37 0.050 / 0.060 G02 199.6 13.0 9.5 +/- 3.07 24.8 +/- 3.07 0.040 / 0.070 G06 173.7 44.6 11.1 +/- 0.98 15.0 +/- 0.98 0.200 / 0.660 G13 231.8 18.5 10.2 +/- 2.26 23.3 +/- 2.26 0.250 / 0.690 G17 9.6 66.8 9.5 +/- 1.21 10.2 +/- 1.21 0.080 / 0.150 G19 298.1 71.7 9.0 +/- 0.51 9.4 +/- 0.51 0.090 / 0.150 G24 314.0 24.0 8.8 +/- 1.03 17.6 +/- 1.03 0.110 / 0.280 G28 74.1 48.0 11.5 +/- 0.99 14.9 +/- 0.99 0.110 / 0.320 G30 154.9 18.8 10.9 +/- 1.55 24.6 +/- 1.55 0.040 / 0.030