PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/10-22:28:00 G10 261.4 36.1 8.2 +/- 1.21 12.8 +/- 1.21 0.090 / 0.150 G13 44.5 21.4 7.7 +/- 1.66 16.4 +/- 1.66 0.090 / 0.220 G15 66.2 52.8 8.9 +/- 0.52 10.8 +/- 0.52 0.110 / 0.320 G16 284.6 14.1 7.9 +/- 1.43 20.1 +/- 1.43 0.130 / 0.330 G20 287.7 57.5 9.3 +/- 1.07 10.9 +/- 1.07 0.050 / 0.050 G21 349.6 67.4 7.7 +/- 0.60 8.3 +/- 0.60 0.050 / 0.050 G24 126.2 10.8 1.0 +/- 34.77 2.8 +/- 34.77 0.070 / 0.270 G26 258.0 10.5 9.6 +/- 3.30 26.5 +/- 3.30 0.070 / 0.290 G27 321.1 13.8 7.3 +/- 3.28 18.8 +/- 3.28 0.080 / 0.100 G29 166.1 37.3 9.2 +/- 0.96 14.0 +/- 0.96 0.080 / 0.090