PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/07-20:58:00 G08 296.1 22.3 10.8 +/- 1.87 22.4 +/- 1.87 0.060 / 0.120 G10 9.7 62.7 9.8 +/- 0.36 10.9 +/- 0.36 0.090 / 0.120 G14 228.0 42.4 15.2 +/- 0.92 21.3 +/- 0.92 0.050 / 0.090 G20 66.0 51.4 11.6 +/- 0.67 14.4 +/- 0.67 0.050 / 0.090 G21 146.5 42.0 13.0 +/- 0.91 18.3 +/- 0.91 0.060 / 0.110 G24 58.2 26.9 9.0 +/- 1.95 17.0 +/- 1.95 0.050 / 0.110 G27 255.4 32.6 11.7 +/- 1.06 19.5 +/- 1.06 0.070 / 0.110 G32 243.9 68.1 12.9 +/- 0.82 13.8 +/- 0.82 0.090 / 0.100