PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/28-00:58:00 G08 265.3 15.5 10.7 +/- 2.35 26.2 +/- 2.35 0.150 / 0.580 G10 74.1 53.9 10.0 +/- 0.34 12.1 +/- 0.34 0.180 / 0.390 G11 307.7 19.9 9.7 +/- 1.40 21.4 +/- 1.40 0.040 / 0.060 G14 279.0 68.3 10.1 +/- 0.57 10.8 +/- 0.57 0.050 / 0.060 G18 308.3 37.8 9.7 +/- 2.21 14.6 +/- 2.21 0.110 / 0.490 G20 102.0 31.6 10.7 +/- 0.84 18.2 +/- 0.84 0.130 / 0.310 G21 156.2 10.2 11.7 +/- 2.38 32.5 +/- 2.38 0.170 / 0.380 G27 227.3 12.0 11.4 +/- 4.15 30.4 +/- 4.15 0.150 / 0.240 G31 175.5 38.3 13.3 +/- 1.25 19.8 +/- 1.25 0.180 / 0.290 G32 357.7 70.7 9.6 +/- 0.75 10.1 +/- 0.75 0.160 / 0.340