PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/05/05-23:58:00 G02 357.0 75.8 8.9 +/- 0.48 9.1 +/- 0.48 0.080 / 0.120 G05 161.7 37.3 15.1 +/- 1.02 23.0 +/- 1.02 0.090 / 0.100 G06 41.4 39.5 7.3 +/- 0.40 10.7 +/- 0.40 0.040 / 0.040 G12 308.3 71.3 8.7 +/- 0.76 9.1 +/- 0.76 0.040 / 0.050 G19 77.8 24.7 11.1 +/- 1.11 21.7 +/- 1.11 0.080 / 0.200 G24 225.1 20.2 13.8 +/- 1.27 30.3 +/- 1.27 0.090 / 0.200 G25 316.3 32.1 9.7 +/- 1.52 16.2 +/- 1.52 0.020 / 0.030 G29 289.5 13.6 11.3 +/- 2.04 29.2 +/- 2.04 0.020 / 0.030