PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/11-09:12:30 G02 15.6 68.5 4.6 +/- 0.80 4.9 +/- 0.80 0.040 / 0.070 G05 161.1 42.4 10.0 +/- 0.75 14.0 +/- 0.75 0.050 / 0.060 G06 44.3 30.7 3.6 +/- 0.72 6.2 +/- 0.72 0.050 / 0.080 G12 268.8 80.9 6.8 +/- 0.48 6.8 +/- 0.48 0.060 / 0.090 G19 84.5 18.9 6.3 +/- 0.59 14.2 +/- 0.59 0.040 / 0.040 G24 222.2 15.9 6.1 +/- 2.09 14.9 +/- 2.09 0.050 / 0.040 G25 313.8 38.2 5.0 +/- 1.32 7.5 +/- 1.32 0.100 / 0.210 G29 292.6 14.2 5.6 +/- 1.82 14.2 +/- 1.82 0.110 / 0.210