PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/02-08:28:10 G02 226.7 71.4 6.0 +/- 0.47 6.3 +/- 0.47 0.050 / 0.050 G06 44.2 65.6 4.9 +/- 0.45 5.3 +/- 0.45 0.040 / 0.050 G12 321.1 46.9 4.6 +/- 0.72 6.1 +/- 0.72 0.170 / 0.470 G17 64.4 26.2 4.6 +/- 1.76 8.7 +/- 1.76 0.130 / 0.350 G19 50.5 41.5 3.7 +/- 0.88 5.3 +/- 0.88 0.050 / 0.090 G24 255.5 38.2 7.5 +/- 1.81 11.2 +/- 1.81 0.050 / 0.110 G28 126.1 14.7 7.0 +/- 1.63 17.6 +/- 1.63 0.040 / 0.060