PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/10-16:27:20 G02 37.0 51.6 8.6 +/- 0.78 10.6 +/- 0.78 0.050 / 0.040 G05 129.0 67.0 10.5 +/- 0.56 11.3 +/- 0.56 0.050 / 0.040 G06 57.5 9.7 7.1 +/- 1.65 20.1 +/- 1.65 0.050 / 0.050 G12 191.1 60.2 8.5 +/- 0.58 9.7 +/- 0.58 0.050 / 0.060 G25 286.5 56.3 5.3 +/- 1.68 6.3 +/- 1.68 0.140 / 0.350 G29 311.7 32.7 7.0 +/- 1.34 11.6 +/- 1.34 0.220 / 0.340