PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/09/24-16:12:30 G02 28.6 58.6 8.3 +/- 0.40 9.6 +/- 0.40 0.040 / 0.060 G05 146.4 60.7 11.5 +/- 0.55 13.0 +/- 0.55 0.050 / 0.060 G06 53.8 15.1 5.7 +/- 1.03 14.2 +/- 1.03 0.020 / 0.040 G12 193.2 66.2 7.7 +/- 1.92 8.4 +/- 1.92 0.030 / 0.050 G19 98.3 13.5 7.7 +/- 1.31 19.9 +/- 1.31 0.020 / 0.040 G25 294.6 55.4 7.9 +/- 1.41 9.4 +/- 1.41 0.030 / 0.040 G29 306.8 27.2 5.5 +/- 1.06 10.3 +/- 1.06 0.120 / 0.320