PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/07-23:13:10 G02 45.5 44.1 11.3 +/- 0.58 15.5 +/- 0.58 0.040 / 0.060 G05 97.9 69.1 14.3 +/- 0.71 15.2 +/- 0.71 0.050 / 0.060 G12 191.0 53.6 16.0 +/- 1.23 19.4 +/- 1.23 0.060 / 0.080 G25 269.9 58.4 14.2 +/- 1.06 16.3 +/- 1.06 0.060 / 0.080 G29 318.5 41.2 14.3 +/- 1.17 20.4 +/- 1.17 0.040 / 0.050