PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/05-00:27:20 G02 47.1 43.3 10.4 +/- 0.61 14.4 +/- 0.61 0.040 / 0.070 G05 93.0 68.9 11.2 +/- 0.55 12.0 +/- 0.55 0.040 / 0.080 G12 187.3 48.8 13.9 +/- 1.14 17.8 +/- 1.14 0.030 / 0.040 G25 267.2 58.2 12.6 +/- 0.62 14.5 +/- 0.62 0.030 / 0.040 G29 317.6 39.6 11.7 +/- 1.66 17.1 +/- 1.66 0.050 / 0.060