PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/03-23:27:50 G02 44.7 44.8 8.7 +/- 0.83 11.8 +/- 0.83 0.040 / 0.050 G05 101.2 69.0 10.3 +/- 0.52 10.9 +/- 0.52 0.040 / 0.050 G12 191.6 54.8 12.3 +/- 1.48 14.6 +/- 1.48 0.070 / 0.050 G25 272.0 58.4 10.3 +/- 0.76 11.9 +/- 0.76 0.050 / 0.040 G29 317.9 40.5 11.0 +/- 1.16 15.8 +/- 1.16 0.020 / 0.040