PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/23-19:58:10 G08 314.3 16.8 8.0 +/- 5.77 19.1 +/- 5.77 0.140 / 0.280 G10 318.9 57.7 8.4 +/- 1.53 9.7 +/- 1.53 0.110 / 0.300 G14 214.4 23.7 11.8 +/- 2.82 23.8 +/- 2.82 0.070 / 0.080 G15 45.9 19.9 8.9 +/- 3.77 19.7 +/- 3.77 0.060 / 0.060 G20 22.7 63.0 9.4 +/- 1.57 10.4 +/- 1.57 0.040 / 0.040 G21 125.6 63.0 -0.2 +/- 0.50 -0.2 +/- 0.50 0.040 / 0.050 G24 79.0 28.7 12.1 +/- 1.69 21.8 +/- 1.69 0.080 / 0.090 G27 286.6 37.0 10.1 +/- 1.33 15.5 +/- 1.33 0.080 / 0.090 G32 217.3 45.4 13.2 +/- 1.67 17.7 +/- 1.67 0.340 / 0.430