PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/05/08-01:12:30 G02 18.5 66.9 8.3 +/- 0.43 8.9 +/- 0.43 0.030 / 0.030 G05 154.4 48.7 14.1 +/- 1.07 18.1 +/- 1.07 0.020 / 0.030 G06 46.7 27.2 8.9 +/- 1.12 16.5 +/- 1.12 0.100 / 0.480 G12 250.0 79.8 10.5 +/- 0.80 10.7 +/- 0.80 0.130 / 0.590 G19 87.2 19.9 10.9 +/- 1.20 24.2 +/- 1.20 0.030 / 0.050 G24 218.1 12.8 18.1 +/- 2.20 47.5 +/- 2.20 0.030 / 0.050 G25 312.4 41.0 9.8 +/- 2.31 14.1 +/- 2.31 0.050 / 0.080 G29 296.4 17.0 9.1 +/- 1.54 21.6 +/- 1.54 0.060 / 0.100