PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/13-18:12:40 G05 51.0 14.4 8.3 +/- 2.52 21.1 +/- 2.52 0.050 / 0.060 G10 241.3 18.5 11.5 +/- 2.80 26.2 +/- 2.80 0.050 / 0.050 G13 65.8 34.7 9.3 +/- 1.74 14.9 +/- 1.74 0.090 / 0.300 G15 118.3 56.6 10.1 +/- 0.88 11.8 +/- 0.88 0.080 / 0.370 G16 307.0 14.6 7.6 +/- 2.06 19.0 +/- 2.06 0.060 / 0.110 G20 255.7 42.7 11.5 +/- 1.90 16.0 +/- 1.90 0.060 / 0.120 G21 321.6 52.6 10.5 +/- 0.81 12.8 +/- 0.81 0.030 / 0.030 G26 279.9 19.1 9.5 +/- 1.06 21.3 +/- 1.06 0.030 / 0.030 G29 160.0 63.6 11.2 +/- 0.29 12.3 +/- 0.29 0.180 / 0.240