PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/03-14:58:00 G02 244.2 74.3 8.3 +/- 0.35 8.6 +/- 0.35 0.150 / 0.130 G05 172.2 16.5 9.3 +/- 1.84 22.4 +/- 1.84 0.110 / 0.090 G06 40.1 55.7 8.5 +/- 0.59 10.0 +/- 0.59 0.080 / 0.110 G12 321.3 53.7 7.7 +/- 0.70 9.3 +/- 0.70 0.070 / 0.110 G17 70.5 23.5 9.2 +/- 1.62 18.6 +/- 1.62 0.040 / 0.050 G19 59.5 35.9 9.9 +/- 2.02 15.4 +/- 2.02 0.040 / 0.050 G24 244.7 33.7 10.2 +/- 2.39 16.6 +/- 2.39 0.180 / 0.340 G25 316.5 12.7 0.6 +/- 23.03 1.6 +/- 23.03 0.180 / 0.330