PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/11-23:57:40 G08 319.0 12.2 7.5 +/- 2.35 19.9 +/- 2.35 0.050 / 0.080 G10 319.8 58.1 9.5 +/- 0.96 10.9 +/- 0.96 0.090 / 0.090 G14 214.0 21.9 14.8 +/- 1.96 31.1 +/- 1.96 0.120 / 0.240 G15 45.8 17.2 6.9 +/- 0.56 16.4 +/- 0.56 0.100 / 0.260 G20 21.5 63.0 8.2 +/- 0.46 9.1 +/- 0.46 0.030 / 0.050 G21 124.0 65.5 11.0 +/- 0.71 11.9 +/- 0.71 0.040 / 0.040 G24 84.5 30.0 9.5 +/- 0.35 16.6 +/- 0.35 0.040 / 0.040 G27 286.2 37.7 9.8 +/- 0.90 14.8 +/- 0.90 0.030 / 0.040 G32 216.6 43.8 12.7 +/- 0.88 17.4 +/- 0.88 0.150 / 0.300