PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/05/10-00:42:40 G02 34.8 53.6 11.5 +/- 0.41 13.9 +/- 0.41 0.050 / 0.050 G05 133.7 63.6 14.2 +/- 0.51 15.6 +/- 0.51 0.050 / 0.060 G06 53.5 16.5 9.2 +/- 1.50 22.0 +/- 1.50 0.040 / 0.050 G12 202.7 68.5 10.3 +/- 0.49 10.9 +/- 0.49 0.050 / 0.070 G25 294.5 54.6 10.4 +/- 1.10 12.5 +/- 1.10 0.120 / 0.210 G29 309.9 31.9 9.9 +/- 0.81 16.7 +/- 0.81 0.150 / 0.280