PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/14-19:13:10 G10 267.4 38.7 13.3 +/- 1.77 19.7 +/- 1.77 0.080 / 0.140 G13 41.7 17.8 9.3 +/- 1.19 21.6 +/- 1.19 0.090 / 0.120 G15 61.9 52.1 11.5 +/- 0.52 14.1 +/- 0.52 0.050 / 0.050 G16 278.6 12.1 10.2 +/- 3.75 27.1 +/- 3.75 0.050 / 0.040 G20 298.1 60.4 11.2 +/- 0.51 12.6 +/- 0.51 0.180 / 0.510 G21 6.0 72.3 11.9 +/- 0.75 12.4 +/- 0.75 0.180 / 0.530 G24 117.1 14.7 13.9 +/- 1.04 34.7 +/- 1.04 0.080 / 0.200 G27 319.2 17.8 10.2 +/- 1.25 23.8 +/- 1.25 0.100 / 0.210 G29 167.8 31.0 12.7 +/- 0.88 21.8 +/- 0.88 0.120 / 0.310