PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/11-09:42:50 G02 219.3 65.0 5.8 +/- 0.63 6.3 +/- 0.63 0.050 / 0.050 G06 50.5 70.6 5.5 +/- 0.56 5.8 +/- 0.56 0.060 / 0.050 G12 320.1 42.5 4.8 +/- 0.65 6.7 +/- 0.65 0.130 / 0.100 G17 59.6 30.1 3.5 +/- 1.70 6.1 +/- 1.70 0.080 / 0.090 G19 44.8 45.1 3.9 +/- 1.00 5.3 +/- 1.00 0.130 / 0.290 G24 262.6 40.1 5.6 +/- 4.02 8.2 +/- 4.02 0.100 / 0.240 G28 122.6 18.6 8.2 +/- 1.91 18.7 +/- 1.91 0.050 / 0.080