PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/09-18:27:40 G02 32.5 55.3 8.5 +/- 0.68 10.1 +/- 0.68 0.060 / 0.060 G05 136.6 63.7 10.1 +/- 0.52 11.2 +/- 0.52 0.050 / 0.050 G06 54.7 13.5 6.2 +/- 2.47 16.1 +/- 2.47 0.110 / 0.200 G12 197.2 66.5 8.8 +/- 0.83 9.5 +/- 0.83 0.080 / 0.200 G25 294.8 53.9 9.4 +/- 2.76 11.3 +/- 2.76 0.040 / 0.050 G29 308.6 29.6 9.0 +/- 1.54 15.9 +/- 1.54 0.040 / 0.050