PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/26-10:12:30 G08 296.9 23.1 6.3 +/- 0.82 12.8 +/- 0.82 0.040 / 0.060 G10 0.5 62.6 3.8 +/- 0.85 4.2 +/- 0.85 0.050 / 0.070 G14 225.9 43.5 7.6 +/- 2.09 10.5 +/- 2.09 0.090 / 0.030 G20 59.5 54.3 4.1 +/- 0.41 5.0 +/- 0.41 0.070 / 0.040 G21 143.9 41.8 6.8 +/- 0.46 9.7 +/- 0.46 0.090 / 0.110 G24 58.7 26.1 5.0 +/- 2.19 9.4 +/- 2.19 0.130 / 0.100 G27 261.4 33.8 7.8 +/- 1.56 12.7 +/- 1.56 0.030 / 0.020 G32 235.9 59.2 6.8 +/- 2.02 7.8 +/- 2.02 0.040 / 0.030