PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/07-23:43:00 G10 262.8 35.7 14.2 +/- 1.71 22.2 +/- 1.71 0.130 / 0.420 G13 43.9 21.2 9.7 +/- 0.98 20.8 +/- 0.98 0.130 / 0.340 G15 67.1 54.3 10.3 +/- 0.52 12.3 +/- 0.52 0.120 / 0.340 G16 281.2 13.6 12.5 +/- 1.33 32.2 +/- 1.33 0.110 / 0.310 G20 267.8 34.2 9.3 +/- 1.15 15.0 +/- 1.15 0.090 / 0.370 G21 351.3 68.6 10.2 +/- 1.35 10.9 +/- 1.35 0.090 / 0.320 G24 122.3 12.0 12.4 +/- 1.22 33.2 +/- 1.22 0.070 / 0.070 G27 320.4 15.4 8.5 +/- 1.10 20.9 +/- 1.10 0.050 / 0.060 G29 167.9 36.7 11.8 +/- 0.82 18.2 +/- 0.82 0.090 / 0.080