PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/11-02:12:30 G10 250.8 28.3 12.0 +/- 2.53 21.8 +/- 2.53 0.110 / 0.120 G13 52.8 28.7 9.6 +/- 1.74 17.3 +/- 1.74 0.140 / 0.140 G15 83.8 56.8 12.9 +/- 0.62 15.1 +/- 0.62 0.040 / 0.040 G16 297.3 15.0 6.6 +/- 2.09 16.5 +/- 2.09 0.040 / 0.050 G20 270.5 51.0 11.8 +/- 2.98 14.8 +/- 2.98 0.100 / 0.490 G21 334.9 60.3 10.7 +/- 0.70 12.1 +/- 0.70 0.110 / 0.420 G26 269.1 15.3 9.8 +/- 1.60 24.3 +/- 1.60 0.080 / 0.130 G29 162.6 47.7 13.5 +/- 0.85 17.5 +/- 0.85 0.090 / 0.130