PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/10-23:28:00 G10 294.7 51.7 8.3 +/- 1.24 10.3 +/- 1.24 0.070 / 0.110 G15 46.6 30.7 6.8 +/- 0.94 11.8 +/- 0.94 0.060 / 0.090 G20 345.7 65.3 7.0 +/- 0.68 7.6 +/- 0.68 0.050 / 0.050 G21 83.1 76.1 9.0 +/- 0.88 9.2 +/- 0.88 0.060 / 0.040 G24 101.8 25.5 9.1 +/- 0.60 17.7 +/- 0.60 0.050 / 0.060 G27 304.1 32.7 9.4 +/- 1.91 15.6 +/- 1.91 0.050 / 0.040 G29 167.7 10.1 12.3 +/- 2.33 34.3 +/- 2.33 0.070 / 0.130 G32 209.1 28.6 10.7 +/- 1.67 19.3 +/- 1.67 0.070 / 0.140