PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/01-00:12:30 G02 35.3 53.6 13.5 +/- 1.16 16.4 +/- 1.16 0.030 / 0.040 G05 132.4 64.1 16.5 +/- 0.41 18.2 +/- 0.41 0.030 / 0.030 G06 55.2 13.4 11.3 +/- 2.32 29.1 +/- 2.32 0.030 / 0.030 G12 194.6 64.8 14.6 +/- 0.32 16.0 +/- 0.32 0.030 / 0.030 G19 101.1 10.0 15.8 +/- 2.01 44.1 +/- 2.01 0.070 / 0.050 G25 294.4 54.3 13.7 +/- 2.84 16.4 +/- 2.84 0.050 / 0.060 G29 308.3 28.6 12.7 +/- 1.05 23.0 +/- 1.05 0.110 / 0.150