PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/05-14:28:00 G07 4.1 65.7 10.1 +/- 0.62 11.0 +/- 0.62 0.110 / 0.160 G08 81.1 52.5 10.2 +/- 1.25 12.5 +/- 1.25 0.080 / 0.130 G09 184.3 63.1 11.6 +/- 1.23 12.8 +/- 1.23 0.090 / 0.230 G11 137.8 21.2 10.7 +/- 1.46 22.9 +/- 1.46 0.080 / 0.210 G23 157.8 28.6 13.3 +/- 1.63 24.0 +/- 1.63 0.040 / 0.040 G27 47.0 26.0 7.7 +/- 2.38 14.7 +/- 2.38 0.030 / 0.040 G28 244.5 33.0 12.2 +/- 1.63 20.1 +/- 1.63 0.220 / 0.100 G30 313.4 45.8 11.2 +/- 1.39 15.0 +/- 1.39 0.190 / 0.110