PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/05/10-01:12:30 G02 22.9 63.8 9.5 +/- 0.47 10.4 +/- 0.47 0.030 / 0.030 G05 151.2 52.4 15.8 +/- 1.08 19.4 +/- 1.08 0.020 / 0.030 G06 48.3 24.2 9.4 +/- 1.47 18.7 +/- 1.47 0.030 / 0.050 G12 228.3 78.3 11.8 +/- 0.88 12.0 +/- 0.88 0.030 / 0.050 G19 90.4 17.7 13.2 +/- 0.89 30.6 +/- 0.89 0.030 / 0.050 G24 215.6 10.4 16.0 +/- 2.83 44.3 +/- 2.83 0.030 / 0.040 G25 309.9 44.2 8.5 +/- 1.43 11.5 +/- 1.43 0.060 / 0.080 G29 299.0 19.4 9.2 +/- 1.69 20.7 +/- 1.69 0.050 / 0.080