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 10.7 +/- 1.74 26.1 +/- 1.74 0.190 / 0.410 G10 71.7 55.7 8.2 +/- 0.87 9.7 +/- 0.87 0.160 / 0.320 G11 306.8 21.0 7.0 +/- 1.87 15.0 +/- 1.87 0.330 / 0.550 G14 278.7 68.0 8.9 +/- 0.92 9.5 +/- 0.92 0.160 / 0.490 G18 308.7 36.6 8.0 +/- 1.63 12.3 +/- 1.63 0.030 / 0.050 G20 81.5 58.7 11.1 +/- 0.95 12.8 +/- 0.95 0.030 / 0.040 G21 155.8 10.8 5.1 +/- 5.76 13.9 +/- 5.76 0.170 / 0.340 G27 227.7 12.1 9.3 +/- 1.42 24.7 +/- 1.42 0.120 / 0.340 G31 175.3 38.4 9.5 +/- 1.08 14.1 +/- 1.08 0.260 / 0.330 G32 1.7 69.9 7.5 +/- 0.42 7.9 +/- 0.42 0.140 / 0.300