PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/12-09:57:30 G02 232.7 73.5 11.2 +/- 0.97 11.6 +/- 0.97 0.030 / 0.060 G05 175.9 10.1 -9.8 +/- 10.39 -27.3 +/- 10.39 0.030 / 0.060 G06 42.1 62.0 8.4 +/- 0.52 9.3 +/- 0.52 0.120 / 0.240 G12 321.9 51.0 7.2 +/- 0.67 9.0 +/- 0.67 0.060 / 0.070 G17 66.8 24.7 8.0 +/- 0.83 15.8 +/- 0.83 0.060 / 0.060 G19 53.8 39.4 7.7 +/- 0.39 11.3 +/- 0.39 0.030 / 0.030 G24 251.8 36.8 12.1 +/- 1.40 18.5 +/- 1.40 0.030 / 0.030 G28 128.2 11.8 9.7 +/- 2.57 26.0 +/- 2.57 0.080 / 0.090