PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/24-20:42:40 G10 308.5 55.7 10.3 +/- 0.85 12.2 +/- 0.85 0.070 / 0.090 G14 211.8 14.4 15.7 +/- 2.98 39.7 +/- 2.98 0.080 / 0.090 G15 45.6 22.8 8.6 +/- 0.87 17.6 +/- 0.87 0.040 / 0.040 G20 9.4 64.3 11.3 +/- 0.41 12.4 +/- 0.41 0.040 / 0.050 G21 110.9 70.9 13.4 +/- 0.56 14.1 +/- 0.56 0.190 / 0.720 G24 93.0 28.7 12.1 +/- 1.23 21.8 +/- 1.23 0.260 / 0.760 G27 294.4 36.5 12.5 +/- 1.38 19.3 +/- 1.38 0.070 / 0.100 G32 212.6 38.2 13.7 +/- 1.00 20.5 +/- 1.00 0.080 / 0.120