PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/19-12:28:10 G02 33.8 54.6 5.3 +/- 0.55 6.4 +/- 0.55 0.040 / 0.040 G05 141.6 63.0 8.2 +/- 0.70 9.1 +/- 0.70 0.030 / 0.040 G06 54.6 14.7 3.5 +/- 1.87 8.9 +/- 1.87 0.030 / 0.040 G12 195.8 65.5 4.6 +/- 0.91 5.0 +/- 0.91 0.030 / 0.040 G19 100.7 10.7 4.9 +/- 1.81 13.4 +/- 1.81 0.060 / 0.100 G25 287.1 58.7 6.0 +/- 0.75 6.9 +/- 0.75 0.080 / 0.100 G29 309.1 30.1 4.8 +/- 1.65 8.3 +/- 1.65 0.030 / 0.040