PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/10/10-15:43:10 G02 23.4 63.5 7.5 +/- 0.72 8.3 +/- 0.72 0.030 / 0.040 G05 156.8 51.1 11.1 +/- 0.64 13.9 +/- 0.64 0.030 / 0.050 G06 48.5 25.2 7.0 +/- 0.72 13.7 +/- 0.72 0.030 / 0.030 G12 227.4 77.3 8.0 +/- 0.82 8.2 +/- 0.82 0.030 / 0.030 G19 93.1 14.2 8.5 +/- 1.14 21.6 +/- 1.14 0.030 / 0.040 G20 197.8 16.7 9.1 +/- 0.94 21.8 +/- 0.94 0.040 / 0.050 G24 216.1 10.0 9.1 +/- 6.86 25.4 +/- 6.86 0.060 / 0.110 G25 307.0 48.3 10.3 +/- 1.37 13.3 +/- 1.37 0.060 / 0.110 G29 302.7 25.3 9.4 +/- 1.53 18.3 +/- 1.53 0.050 / 0.070