PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/07-00:27:10 G02 50.0 40.7 11.9 +/- 1.21 17.2 +/- 1.21 0.050 / 0.060 G05 82.1 68.0 13.0 +/- 0.61 13.9 +/- 0.61 0.040 / 0.060 G12 186.3 44.7 16.7 +/- 0.44 22.6 +/- 0.44 0.030 / 0.030 G25 259.4 57.7 13.6 +/- 1.79 15.7 +/- 1.79 0.030 / 0.030 G29 319.9 42.6 14.9 +/- 0.68 20.9 +/- 0.68 0.040 / 0.050