PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/09-03:12:50 G08 260.8 15.7 10.2 +/- 2.02 25.0 +/- 2.02 0.100 / 0.440 G10 71.7 55.7 7.7 +/- 0.91 9.2 +/- 0.91 0.090 / 0.370 G11 306.8 21.0 7.1 +/- 3.03 15.2 +/- 3.03 0.040 / 0.060 G14 278.7 68.0 8.6 +/- 0.60 9.2 +/- 0.60 0.040 / 0.060 G18 308.7 36.6 7.5 +/- 3.03 11.6 +/- 3.03 0.030 / 0.050 G20 81.5 58.7 11.9 +/- 1.12 13.7 +/- 1.12 0.030 / 0.040 G21 155.8 10.8 6.4 +/- 1.79 17.5 +/- 1.79 0.120 / 0.290 G27 227.7 12.1 9.5 +/- 2.65 25.3 +/- 2.65 0.090 / 0.270 G31 175.3 38.4 10.4 +/- 1.61 15.5 +/- 1.61 0.160 / 0.260 G32 1.7 69.9 8.1 +/- 0.76 8.6 +/- 0.76 0.160 / 0.280