PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/05-22:57:50 G10 265.9 38.8 10.2 +/- 1.46 15.1 +/- 1.46 0.130 / 0.210 G13 42.2 18.3 7.4 +/- 1.30 16.9 +/- 1.30 0.090 / 0.170 G15 60.6 49.8 9.2 +/- 0.88 11.6 +/- 0.88 0.130 / 0.360 G16 280.6 12.9 8.3 +/- 1.34 21.7 +/- 1.34 0.160 / 0.370 G20 295.1 59.5 8.8 +/- 0.86 10.1 +/- 0.86 0.040 / 0.040 G21 358.0 70.3 9.2 +/- 0.60 9.7 +/- 0.60 0.040 / 0.040 G24 122.7 13.3 8.7 +/- 2.57 22.7 +/- 2.57 0.120 / 0.320 G27 319.6 17.2 7.8 +/- 2.14 18.4 +/- 2.14 0.110 / 0.340 G29 166.8 32.6 11.0 +/- 1.29 18.2 +/- 1.29 0.070 / 0.080