PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/24-13:28:00 G02 240.8 74.3 4.5 +/- 0.74 4.6 +/- 0.74 0.190 / 0.340 G05 173.5 14.3 5.5 +/- 3.64 13.9 +/- 3.64 0.090 / 0.370 G06 40.5 57.4 4.2 +/- 1.08 4.9 +/- 1.08 0.040 / 0.040 G12 321.6 52.8 5.6 +/- 1.22 6.9 +/- 1.22 0.030 / 0.040 G17 69.4 23.7 4.6 +/- 0.92 9.2 +/- 0.92 0.030 / 0.050 G19 57.8 36.9 2.9 +/- 0.55 4.4 +/- 0.55 0.040 / 0.060 G24 247.0 34.7 6.1 +/- 1.72 9.7 +/- 1.72 0.170 / 0.370 G25 316.1 11.2 -7.3 +/- 30.72 -19.9 +/- 30.72 0.180 / 0.380