PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/16-14:57:30 G02 358.0 74.2 10.4 +/- 0.41 10.8 +/- 0.41 0.100 / 0.110 G05 163.1 39.1 10.0 +/- 0.79 14.8 +/- 0.79 0.060 / 0.100 G06 43.5 32.8 6.5 +/- 1.06 10.8 +/- 1.06 0.070 / 0.080 G12 292.4 78.1 10.1 +/- 1.05 10.3 +/- 1.05 0.060 / 0.070 G19 81.7 21.1 9.2 +/- 1.31 19.7 +/- 1.31 0.020 / 0.040 G24 224.4 18.0 9.9 +/- 2.43 22.9 +/- 2.43 0.020 / 0.030 G25 315.4 34.2 8.5 +/- 1.12 13.8 +/- 1.12 0.080 / 0.170 G29 290.5 12.5 9.7 +/- 2.34 25.6 +/- 2.34 0.080 / 0.170