PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/05/29-23:28:10 G02 7.0 72.6 10.0 +/- 0.38 10.5 +/- 0.38 0.020 / 0.020 G05 159.1 42.2 14.6 +/- 1.10 20.5 +/- 1.10 0.020 / 0.020 G06 44.3 32.1 8.2 +/- 1.47 13.8 +/- 1.47 0.180 / 0.220 G12 285.2 78.9 11.9 +/- 0.32 12.1 +/- 0.32 0.210 / 0.150 G19 81.4 24.0 11.7 +/- 1.73 23.4 +/- 1.73 0.060 / 0.070 G24 222.1 17.0 17.8 +/- 1.84 42.1 +/- 1.84 0.040 / 0.060 G25 315.3 35.6 9.5 +/- 1.12 14.8 +/- 1.12 0.060 / 0.110 G29 291.6 12.7 14.1 +/- 1.43 37.0 +/- 1.43 0.080 / 0.090