PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/07/05-22:12:30 G02 43.2 46.9 12.7 +/- 0.80 16.7 +/- 0.80 0.030 / 0.030 G05 106.7 69.1 14.4 +/- 0.93 15.3 +/- 0.93 0.030 / 0.030 G06 61.4 5.7 11.2 +/- 1.46 33.7 +/- 1.46 0.040 / 0.040 G12 186.8 51.9 16.7 +/- 0.51 20.6 +/- 0.51 0.040 / 0.050 G25 274.0 58.4 7.6 +/- 1.38 8.7 +/- 1.38 0.060 / 0.060 G29 315.1 36.4 13.0 +/- 1.60 20.1 +/- 1.60 0.050 / 0.060