PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/08-19:58:00 G10 277.4 44.0 13.3 +/- 0.85 18.1 +/- 0.85 0.080 / 0.160 G13 38.5 10.9 10.2 +/- 3.99 27.8 +/- 3.99 0.070 / 0.160 G15 53.5 45.5 10.4 +/- 0.72 14.0 +/- 0.72 0.030 / 0.050 G20 316.4 63.6 13.7 +/- 1.07 15.1 +/- 1.07 0.030 / 0.050 G21 34.4 76.3 13.6 +/- 0.41 14.0 +/- 0.41 0.160 / 0.660 G24 109.5 19.5 15.3 +/- 1.29 34.1 +/- 1.29 0.180 / 0.600 G27 314.5 24.4 13.1 +/- 1.47 26.0 +/- 1.47 0.120 / 0.190 G29 168.5 22.1 17.0 +/- 1.56 35.6 +/- 1.56 0.090 / 0.190 G32 205.6 18.1 19.6 +/- 1.34 45.3 +/- 1.34 0.030 / 0.060