PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/10-12:58:00 G02 204.4 33.7 6.4 +/- 1.04 10.4 +/- 1.04 0.050 / 0.100 G06 153.5 71.0 5.0 +/- 0.44 5.3 +/- 0.44 0.050 / 0.130 G12 307.8 16.8 1.9 +/- 2.97 4.6 +/- 2.97 0.120 / 0.280 G17 34.8 50.1 3.6 +/- 0.86 4.5 +/- 0.86 0.210 / 0.220 G19 8.0 63.5 3.4 +/- 0.40 3.7 +/- 0.40 0.030 / 0.040 G24 297.1 37.7 5.0 +/- 1.52 7.6 +/- 1.52 0.030 / 0.040 G28 100.1 36.4 4.8 +/- 1.10 7.5 +/- 1.10 0.030 / 0.040