PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/03-23:58:10 G10 262.6 35.6 12.3 +/- 1.72 19.4 +/- 1.72 0.160 / 0.340 G13 44.0 21.4 8.0 +/- 1.15 17.0 +/- 1.15 0.130 / 0.370 G15 67.2 54.3 7.5 +/- 0.45 9.1 +/- 0.45 0.120 / 0.350 G16 281.4 13.7 10.0 +/- 1.60 25.8 +/- 1.60 0.120 / 0.230 G20 268.7 36.2 14.2 +/- 1.21 22.1 +/- 1.21 0.110 / 0.370 G21 351.1 68.5 7.7 +/- 0.96 8.2 +/- 0.96 0.100 / 0.390 G24 122.5 11.9 11.3 +/- 1.42 30.3 +/- 1.42 0.100 / 0.080 G27 320.4 15.3 7.0 +/- 1.82 17.4 +/- 1.82 0.110 / 0.080 G29 167.8 36.8 10.8 +/- 0.90 16.6 +/- 0.90 0.060 / 0.050