PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/29-08:43:00 G10 295.6 51.7 5.2 +/- 2.10 6.5 +/- 2.10 0.040 / 0.030 G14 209.3 10.7 -7.5 +/- 5.84 -20.6 +/- 5.84 0.040 / 0.030 G15 46.2 28.6 3.2 +/- 1.47 5.8 +/- 1.47 0.090 / 0.200 G20 348.7 65.4 5.3 +/- 0.43 5.7 +/- 0.43 0.080 / 0.140 G21 95.7 72.7 6.3 +/- 0.75 6.6 +/- 0.75 0.260 / 0.360 G24 98.0 25.7 6.7 +/- 0.75 12.8 +/- 0.75 0.090 / 0.060 G27 304.2 32.2 4.1 +/- 1.31 6.8 +/- 1.31 0.070 / 0.090 G32 210.6 25.5 4.3 +/- 2.19 8.2 +/- 2.19 0.080 / 0.090