PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/02/10-12:42:50 G08 309.2 19.8 3.2 +/- 1.06 7.0 +/- 1.06 0.030 / 0.030 G10 331.7 60.0 2.0 +/- 0.62 2.3 +/- 0.62 0.030 / 0.030 G14 217.2 30.8 4.5 +/- 1.85 7.7 +/- 1.85 0.060 / 0.060 G15 46.8 10.9 2.3 +/- 2.59 6.2 +/- 2.59 0.060 / 0.080 G20 36.3 60.6 2.9 +/- 0.71 3.3 +/- 0.71 0.040 / 0.050 G21 133.6 52.5 5.0 +/- 0.67 6.2 +/- 0.67 0.040 / 0.050 G24 72.2 28.8 2.8 +/- 1.14 4.9 +/- 1.14 0.100 / 0.140 G27 279.2 36.9 5.6 +/- 0.89 8.7 +/- 0.89 0.130 / 0.180 G32 222.2 48.3 4.2 +/- 2.10 5.4 +/- 2.10 0.280 / 0.270