PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/10-20:27:50 G10 264.6 38.2 11.6 +/- 0.92 17.4 +/- 0.92 0.120 / 0.230 G13 42.7 19.1 8.9 +/- 1.03 20.0 +/- 1.03 0.130 / 0.210 G15 63.1 51.7 12.0 +/- 0.72 14.8 +/- 0.72 0.150 / 0.390 G16 281.1 13.4 9.8 +/- 2.32 25.2 +/- 2.32 0.140 / 0.450 G20 294.4 59.6 11.2 +/- 1.15 12.7 +/- 1.15 0.040 / 0.050 G21 355.5 69.5 11.8 +/- 0.41 12.6 +/- 0.41 0.040 / 0.060 G24 124.1 12.6 11.7 +/- 1.32 30.9 +/- 1.32 0.080 / 0.220 G27 320.0 16.5 8.3 +/- 1.29 20.0 +/- 1.29 0.080 / 0.240 G29 166.9 34.6 13.2 +/- 1.63 21.1 +/- 1.63 0.030 / 0.050