PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/07-15:12:30 G02 26.2 60.4 11.5 +/- 0.73 13.0 +/- 0.73 0.040 / 0.050 G05 151.7 57.4 13.9 +/- 0.70 16.2 +/- 0.70 0.040 / 0.050 G06 52.1 17.7 10.3 +/- 1.18 24.0 +/- 1.18 0.030 / 0.040 G12 198.0 70.1 12.8 +/- 0.64 13.5 +/- 0.64 0.030 / 0.030 G19 95.9 15.0 10.8 +/- 1.18 26.8 +/- 1.18 0.030 / 0.040 G25 298.6 54.0 11.5 +/- 1.33 13.8 +/- 1.33 0.020 / 0.040 G29 304.8 25.2 11.9 +/- 1.91 23.1 +/- 1.91 0.080 / 0.200