PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/08-20:58:10 G08 314.9 16.3 11.1 +/- 3.83 26.8 +/- 3.83 0.060 / 0.070 G10 317.7 57.4 11.0 +/- 1.00 12.8 +/- 1.00 0.080 / 0.060 G14 214.2 22.9 15.2 +/- 1.88 31.2 +/- 1.88 0.030 / 0.060 G15 45.9 21.1 8.8 +/- 2.87 18.8 +/- 2.87 0.040 / 0.040 G20 21.2 63.2 12.5 +/- 1.03 13.8 +/- 1.03 0.130 / 0.290 G21 124.5 64.0 13.5 +/- 0.65 14.8 +/- 0.65 0.310 / 0.230 G24 80.2 28.8 11.5 +/- 0.97 20.6 +/- 0.97 0.220 / 0.340 G27 287.1 37.0 12.2 +/- 1.00 18.6 +/- 1.00 0.210 / 0.330 G32 216.9 45.1 14.8 +/- 1.50 19.9 +/- 1.50 0.100 / 0.290