PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/03-07:12:30 G02 202.7 37.6 6.0 +/- 1.93 9.0 +/- 1.93 0.070 / 0.110 G06 155.9 70.1 9.0 +/- 1.09 9.5 +/- 1.09 0.060 / 0.130 G12 308.0 18.3 3.9 +/- 0.93 9.0 +/- 0.93 0.050 / 0.080 G17 37.2 47.9 5.5 +/- 0.53 7.1 +/- 0.53 0.050 / 0.100 G19 7.9 63.7 5.6 +/- 0.45 6.1 +/- 0.45 0.060 / 0.100 G24 297.7 37.4 6.3 +/- 1.72 9.6 +/- 1.72 0.050 / 0.110 G28 98.6 38.2 7.7 +/- 0.68 11.5 +/- 0.68 0.040 / 0.040