PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/02-23:58:00 G02 32.5 56.0 14.1 +/- 0.72 16.7 +/- 0.72 0.050 / 0.040 G05 138.3 61.7 17.7 +/- 0.80 19.8 +/- 0.80 0.030 / 0.040 G06 53.6 15.7 12.3 +/- 2.14 30.2 +/- 2.14 0.030 / 0.040 G12 197.6 68.1 15.3 +/- 0.88 16.3 +/- 0.88 0.030 / 0.040 G19 98.7 11.9 16.6 +/- 1.47 44.4 +/- 1.47 0.040 / 0.060 G25 298.8 52.4 14.5 +/- 0.69 17.8 +/- 0.69 0.050 / 0.060 G29 306.2 26.3 12.6 +/- 1.88 23.8 +/- 1.88 0.150 / 0.340