PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/05/08-00:42:30 G02 31.5 56.4 10.1 +/- 0.46 11.9 +/- 0.46 0.050 / 0.060 G05 140.3 60.6 12.5 +/- 0.80 14.1 +/- 0.80 0.050 / 0.050 G06 51.6 19.4 7.4 +/- 1.78 16.5 +/- 1.78 0.060 / 0.060 G12 209.4 72.2 12.0 +/- 0.39 12.5 +/- 0.39 0.050 / 0.060 G19 98.1 10.4 11.1 +/- 1.37 30.7 +/- 1.37 0.030 / 0.030 G25 299.7 52.3 10.5 +/- 1.20 12.8 +/- 1.20 0.040 / 0.040 G29 307.2 29.3 9.7 +/- 1.23 17.1 +/- 1.23 0.040 / 0.040