PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/08-08:13:10 G05 51.6 10.3 2.2 +/- 1.10 6.1 +/- 1.10 0.150 / 0.290 G10 240.9 18.8 4.5 +/- 2.67 10.2 +/- 2.67 0.150 / 0.250 G13 66.2 34.5 5.1 +/- 0.26 8.2 +/- 0.26 0.160 / 0.390 G15 110.0 56.1 6.6 +/- 0.39 7.8 +/- 0.39 0.140 / 0.340 G16 312.4 11.7 2.5 +/- 1.95 6.7 +/- 1.95 0.100 / 0.300 G20 255.5 42.7 6.9 +/- 0.79 9.7 +/- 0.79 0.130 / 0.320 G21 324.8 54.7 3.7 +/- 0.72 4.5 +/- 0.72 0.040 / 0.040 G26 284.9 18.0 4.3 +/- 1.40 9.9 +/- 1.40 0.040 / 0.040 G29 155.7 58.6 6.6 +/- 0.58 7.6 +/- 0.58 0.040 / 0.060