PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/29-21:12:50 G10 262.7 37.0 12.5 +/- 0.76 19.2 +/- 0.76 0.040 / 0.040 G13 43.7 20.5 9.3 +/- 1.36 20.3 +/- 1.36 0.050 / 0.050 G15 65.1 52.6 11.7 +/- 0.29 14.4 +/- 0.29 0.120 / 0.390 G16 283.1 13.9 11.8 +/- 2.44 30.0 +/- 2.44 0.120 / 0.430 G20 290.6 58.5 11.5 +/- 0.79 13.3 +/- 0.79 0.170 / 0.330 G21 351.8 68.2 10.9 +/- 0.73 11.6 +/- 0.73 0.130 / 0.460 G24 125.4 11.5 14.1 +/- 2.09 38.2 +/- 2.09 0.080 / 0.300 G27 320.7 14.9 8.0 +/- 3.39 19.8 +/- 3.39 0.080 / 0.260 G29 166.5 36.4 12.5 +/- 1.15 19.3 +/- 1.15 0.130 / 0.360