PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/28-22:27:50 G10 304.2 54.6 10.6 +/- 1.22 12.7 +/- 1.22 0.040 / 0.050 G14 211.0 12.9 14.0 +/- 4.23 36.5 +/- 4.23 0.040 / 0.050 G15 45.8 25.7 7.9 +/- 0.44 15.2 +/- 0.44 0.090 / 0.510 G20 1.8 64.9 9.9 +/- 0.72 10.8 +/- 0.72 0.090 / 0.690 G21 104.3 72.8 11.2 +/- 0.90 11.7 +/- 0.90 0.080 / 0.100 G24 95.4 27.9 10.6 +/- 1.42 19.5 +/- 1.42 0.090 / 0.100 G27 297.4 35.6 11.5 +/- 1.19 18.0 +/- 1.19 0.070 / 0.140 G32 211.5 35.1 15.0 +/- 1.15 23.8 +/- 1.15 0.070 / 0.140