PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/09-20:42:30 G08 299.1 21.9 11.7 +/- 1.73 24.6 +/- 1.73 0.080 / 0.090 G10 3.0 62.6 11.7 +/- 0.60 13.0 +/- 0.60 0.050 / 0.100 G14 225.7 39.5 16.2 +/- 1.84 23.7 +/- 1.84 0.060 / 0.080 G20 61.7 53.0 12.3 +/- 0.94 15.0 +/- 0.94 0.050 / 0.080 G21 144.7 45.0 13.4 +/- 0.42 18.0 +/- 0.42 0.120 / 0.170 G24 61.3 28.1 10.2 +/- 1.59 18.6 +/- 1.59 0.080 / 0.130 G27 258.9 34.0 15.0 +/- 1.32 24.2 +/- 1.32 0.090 / 0.190 G32 238.2 65.5 14.3 +/- 0.96 15.6 +/- 0.96 0.090 / 0.180