PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/02-10:58:10 G02 44.7 44.2 4.7 +/- 0.46 6.4 +/- 0.46 0.030 / 0.030 G05 117.2 69.5 7.8 +/- 0.92 8.3 +/- 0.92 0.030 / 0.030 G12 186.1 53.1 7.1 +/- 1.76 8.6 +/- 1.76 0.050 / 0.050 G25 275.4 58.3 7.4 +/- 1.10 8.5 +/- 1.10 0.040 / 0.050 G29 314.6 36.0 4.7 +/- 1.28 7.4 +/- 1.28 0.090 / 0.110