PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/09/26-20:57:40 G10 283.5 46.7 9.3 +/- 1.22 12.3 +/- 1.22 0.060 / 0.110 G15 50.6 41.9 9.6 +/- 0.57 13.6 +/- 0.57 0.070 / 0.110 G20 327.6 64.7 9.3 +/- 1.23 10.2 +/- 1.23 0.040 / 0.040 G21 54.6 77.1 10.4 +/- 0.96 10.6 +/- 0.96 0.040 / 0.040 G24 105.2 22.0 13.3 +/- 0.66 28.0 +/- 0.66 0.090 / 0.180 G27 310.9 27.9 7.8 +/- 1.00 14.3 +/- 1.00 0.110 / 0.170 G29 168.6 17.5 13.2 +/- 3.05 30.9 +/- 3.05 0.030 / 0.060 G32 206.8 22.9 12.9 +/- 0.99 26.4 +/- 0.99 0.030 / 0.050