PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/09/06-17:28:10 G05 142.8 62.0 10.9 +/- 0.53 12.1 +/- 0.53 0.030 / 0.030 G06 54.5 14.1 7.5 +/- 2.70 19.1 +/- 2.70 0.030 / 0.040 G12 190.6 64.3 10.3 +/- 0.39 11.3 +/- 0.39 0.040 / 0.040 G19 99.1 12.9 8.8 +/- 2.16 23.1 +/- 2.16 0.030 / 0.040 G25 293.7 55.5 9.5 +/- 4.97 11.2 +/- 4.97 0.050 / 0.050 G29 307.4 27.7 7.2 +/- 1.68 13.2 +/- 1.68 0.060 / 0.060