PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/09/02-17:12:30 G02 11.8 69.0 7.9 +/- 0.66 8.4 +/- 0.66 0.030 / 0.050 G05 156.7 48.5 11.0 +/- 0.42 14.1 +/- 0.42 0.030 / 0.060 G06 47.7 24.4 7.3 +/- 1.47 14.5 +/- 1.47 0.120 / 0.350 G12 211.5 78.9 7.8 +/- 0.97 8.0 +/- 0.97 0.220 / 0.430 G19 86.9 21.3 7.4 +/- 0.75 15.7 +/- 0.75 0.020 / 0.030 G24 215.6 11.5 11.1 +/- 2.00 30.1 +/- 2.00 0.020 / 0.030 G25 310.9 44.0 6.8 +/- 1.26 9.4 +/- 1.26 0.080 / 0.100 G29 296.7 17.0 7.5 +/- 1.07 17.8 +/- 1.07 0.090 / 0.120