PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/10-22:28:10 G02 32.9 55.1 10.7 +/- 0.62 12.8 +/- 0.62 0.040 / 0.050 G05 137.0 62.4 12.5 +/- 0.79 14.0 +/- 0.79 0.040 / 0.060 G06 53.2 16.4 9.9 +/- 1.51 23.7 +/- 1.51 0.050 / 0.050 G12 203.7 69.7 11.6 +/- 0.40 12.2 +/- 0.40 0.040 / 0.040 G25 297.2 53.2 11.3 +/- 2.23 13.7 +/- 2.23 0.030 / 0.030 G29 308.2 29.7 10.0 +/- 0.78 17.6 +/- 0.78 0.020 / 0.030