PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/07-09:42:50 G02 212.7 57.1 6.0 +/- 1.86 7.0 +/- 1.86 0.060 / 0.110 G06 69.8 76.7 3.8 +/- 1.03 3.9 +/- 1.03 0.050 / 0.110 G12 317.5 35.4 4.8 +/- 0.86 7.5 +/- 0.86 0.080 / 0.090 G17 53.4 34.9 -1.7 +/- 0.97 -2.6 +/- 0.97 0.070 / 0.070 G19 36.5 50.2 2.8 +/- 0.66 3.6 +/- 0.66 0.050 / 0.070 G24 272.6 41.5 5.3 +/- 0.93 7.5 +/- 0.93 0.050 / 0.060 G28 117.1 24.1 4.9 +/- 1.77 9.8 +/- 1.77 0.090 / 0.250