PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/30-18:42:40 G08 312.4 17.6 12.3 +/- 1.24 28.8 +/- 1.24 0.050 / 0.090 G10 331.0 60.0 14.8 +/- 0.61 16.8 +/- 0.61 0.050 / 0.080 G14 216.6 24.5 19.3 +/- 1.84 38.3 +/- 1.84 0.030 / 0.040 G15 46.6 10.6 12.5 +/- 1.19 34.4 +/- 1.19 0.030 / 0.050 G20 37.2 60.0 14.1 +/- 0.68 16.1 +/- 0.68 0.090 / 0.230 G21 131.7 59.7 18.3 +/- 0.66 20.8 +/- 0.66 0.080 / 0.290 G24 78.6 30.7 15.6 +/- 0.43 26.9 +/- 0.43 0.080 / 0.110 G27 278.3 38.1 15.6 +/- 1.48 23.4 +/- 1.48 0.060 / 0.090 G32 220.3 51.2 18.3 +/- 0.63 22.7 +/- 0.63 0.110 / 0.180