PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/01-23:27:50 G08 261.8 16.5 11.7 +/- 1.33 28.1 +/- 1.33 0.050 / 0.110 G10 69.1 56.2 10.0 +/- 0.66 11.7 +/- 0.66 0.050 / 0.120 G11 307.9 20.3 9.1 +/- 1.78 20.0 +/- 1.78 0.290 / 0.440 G14 276.2 68.1 10.2 +/- 0.62 10.9 +/- 0.62 0.320 / 0.410 G18 309.4 36.4 10.1 +/- 1.92 15.7 +/- 1.92 0.040 / 0.030 G20 99.4 33.8 11.1 +/- 0.59 18.0 +/- 0.59 0.040 / 0.030 G21 155.3 11.1 13.0 +/- 1.21 35.4 +/- 1.21 0.050 / 0.060 G27 229.9 13.4 12.0 +/- 15.31 31.1 +/- 15.31 0.040 / 0.040 G31 177.4 34.8 14.4 +/- 1.71 23.0 +/- 1.71 0.140 / 0.370 G32 354.7 71.6 10.3 +/- 0.38 10.8 +/- 0.38 0.160 / 0.360