PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/14-09:28:10 G02 218.4 64.4 7.0 +/- 0.71 7.7 +/- 0.71 0.040 / 0.080 G06 51.8 71.3 5.7 +/- 0.52 5.9 +/- 0.52 0.050 / 0.060 G12 319.9 41.9 3.9 +/- 1.36 5.5 +/- 1.36 0.050 / 0.050 G17 59.0 30.5 4.2 +/- 0.84 7.3 +/- 0.84 0.040 / 0.050 G19 44.0 45.6 4.3 +/- 0.46 5.8 +/- 0.46 0.050 / 0.060 G24 263.6 40.3 6.9 +/- 1.39 9.9 +/- 1.39 0.040 / 0.050 G28 122.0 19.2 7.6 +/- 1.19 17.0 +/- 1.19 0.080 / 0.230