PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/25-11:58:10 G01 316.9 23.2 5.7 +/- 1.84 11.5 +/- 1.84 0.160 / 0.110 G10 88.6 48.8 5.1 +/- 1.37 6.5 +/- 1.37 0.210 / 0.130 G11 296.6 25.9 6.8 +/- 1.39 13.1 +/- 1.39 0.040 / 0.040 G14 318.2 71.6 4.1 +/- 0.75 4.3 +/- 0.75 0.030 / 0.040 G18 296.3 46.4 6.8 +/- 7.80 9.0 +/- 7.80 0.030 / 0.020 G20 110.3 24.7 3.3 +/- 1.70 6.6 +/- 1.70 0.040 / 0.020 G22 304.8 18.1 5.9 +/- 2.12 13.5 +/- 2.12 0.040 / 0.040 G25 94.8 10.6 -16.1 +/- 17.94 -44.4 +/- 17.94 0.040 / 0.040 G31 176.1 46.8 5.8 +/- 0.85 7.7 +/- 0.85 0.140 / 0.190 G32 7.5 66.4 4.4 +/- 0.61 4.7 +/- 0.61 0.170 / 0.150