PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/09/09-00:57:50 G08 264.0 17.3 10.5 +/- 0.97 24.6 +/- 0.97 0.320 / 0.360 G10 65.7 57.2 8.9 +/- 1.09 10.4 +/- 1.09 0.160 / 0.290 G11 309.5 19.1 7.2 +/- 1.75 16.2 +/- 1.75 0.030 / 0.060 G14 270.7 66.7 9.6 +/- 0.90 10.3 +/- 0.90 0.040 / 0.050 G18 310.8 34.4 7.6 +/- 1.00 12.2 +/- 1.00 0.080 / 0.200 G20 97.5 35.1 8.8 +/- 0.70 13.9 +/- 0.70 0.070 / 0.240 G21 155.2 13.3 9.5 +/- 2.17 24.5 +/- 2.17 0.110 / 0.290 G27 230.9 14.6 11.1 +/- 3.75 27.9 +/- 3.75 0.120 / 0.270 G31 177.2 33.5 10.3 +/- 1.49 16.8 +/- 1.49 0.130 / 0.190 G32 350.8 72.6 8.2 +/- 0.44 8.5 +/- 0.44 0.130 / 0.190