PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/07-17:43:00 G02 358.8 73.9 5.6 +/- 0.39 5.8 +/- 0.39 0.070 / 0.130 G05 161.1 40.6 7.8 +/- 1.21 11.3 +/- 1.21 0.090 / 0.130 G06 43.6 32.7 5.2 +/- 1.05 8.6 +/- 1.05 0.140 / 0.360 G12 293.8 77.1 5.3 +/- 1.02 5.5 +/- 1.02 0.080 / 0.170 G17 90.1 10.2 9.6 +/- 1.70 26.7 +/- 1.70 0.170 / 0.240 G19 82.1 21.1 7.8 +/- 1.66 16.8 +/- 1.66 0.210 / 0.260 G24 223.5 17.5 7.9 +/- 2.48 18.5 +/- 2.48 0.110 / 0.170 G25 315.3 34.7 5.2 +/- 1.24 8.3 +/- 1.24 0.090 / 0.180 G29 291.3 13.5 7.1 +/- 1.46 18.3 +/- 1.46 0.070 / 0.080