PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/02-10:12:40 G02 27.0 60.1 5.0 +/- 0.82 5.7 +/- 0.82 0.030 / 0.040 G05 154.5 52.8 9.4 +/- 0.49 11.5 +/- 0.49 0.030 / 0.030 G06 48.9 22.0 3.7 +/- 1.54 7.9 +/- 1.54 0.020 / 0.020 G12 206.6 75.9 6.1 +/- 0.36 6.2 +/- 0.36 0.030 / 0.030 G19 93.3 12.7 6.4 +/- 2.64 16.8 +/- 2.64 0.090 / 0.200 G25 307.0 47.0 5.8 +/- 0.89 7.7 +/- 0.89 0.080 / 0.210 G29 300.2 20.9 3.4 +/- 1.51 7.3 +/- 1.51 0.160 / 0.220