PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/08-01:27:50 G08 310.0 19.0 11.0 +/- 1.83 24.9 +/- 1.83 0.060 / 0.080 G10 329.6 59.6 8.7 +/- 0.66 9.9 +/- 0.66 0.060 / 0.080 G14 217.5 28.0 15.1 +/- 0.67 27.6 +/- 0.67 0.090 / 0.180 G15 46.6 14.5 7.0 +/- 1.85 17.6 +/- 1.85 0.110 / 0.180 G20 330.2 61.0 11.1 +/- 0.90 12.5 +/- 0.90 0.060 / 0.070 G21 132.8 59.5 12.2 +/- 0.66 13.9 +/- 0.66 0.070 / 0.100 G24 74.0 29.4 9.7 +/- 0.68 17.1 +/- 0.68 0.040 / 0.050 G27 276.9 37.5 13.3 +/- 1.22 20.1 +/- 1.22 0.040 / 0.060 G32 222.0 52.9 13.2 +/- 2.52 16.1 +/- 2.52 0.020 / 0.030