PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/10-07:28:10 G02 212.6 59.2 5.9 +/- 0.89 6.7 +/- 0.89 0.060 / 0.080 G06 69.2 76.9 5.0 +/- 0.31 5.1 +/- 0.31 0.080 / 0.080 G12 317.3 34.8 3.0 +/- 2.19 4.8 +/- 2.19 0.050 / 0.040 G17 54.4 33.8 4.5 +/- 1.17 7.3 +/- 1.17 0.040 / 0.050 G19 37.1 49.8 4.2 +/- 1.38 5.3 +/- 1.38 0.100 / 0.190 G24 271.7 41.4 6.7 +/- 2.62 9.6 +/- 2.62 0.080 / 0.190 G28 117.3 24.3 7.5 +/- 2.02 15.0 +/- 2.02 0.040 / 0.080