PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/22-12:12:50 G01 316.5 23.8 3.0 +/- 0.91 6.0 +/- 0.91 0.150 / 0.150 G10 89.7 48.3 3.7 +/- 1.25 4.7 +/- 1.25 0.110 / 0.140 G11 295.8 26.1 5.3 +/- 2.68 10.1 +/- 2.68 0.050 / 0.040 G14 320.7 71.5 3.3 +/- 0.68 3.4 +/- 0.68 0.040 / 0.030 G18 295.3 46.9 4.4 +/- 8.45 5.7 +/- 8.45 0.030 / 0.020 G20 110.9 24.1 4.8 +/- 1.58 9.5 +/- 1.58 0.030 / 0.020 G22 305.1 18.5 2.3 +/- 1.17 5.3 +/- 1.17 0.050 / 0.050 G25 94.0 10.9 -6.5 +/- 27.27 -17.7 +/- 27.27 0.040 / 0.050 G31 176.0 47.5 5.6 +/- 0.85 7.3 +/- 0.85 0.090 / 0.140 G32 9.4 65.8 2.9 +/- 0.52 3.1 +/- 0.52 0.080 / 0.180