PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/08/17-03:27:50 G08 264.1 17.5 10.6 +/- 2.09 24.7 +/- 2.09 0.120 / 0.320 G10 62.5 58.6 5.1 +/- 0.54 5.9 +/- 0.54 0.150 / 0.290 G11 309.0 20.0 11.0 +/- 2.06 24.3 +/- 2.06 0.030 / 0.030 G14 273.9 68.5 7.4 +/- 0.66 7.9 +/- 0.66 0.030 / 0.040 G18 92.6 36.4 6.1 +/- 0.48 9.4 +/- 0.48 0.170 / 0.430 G21 154.4 13.5 8.1 +/- 3.10 20.8 +/- 3.10 0.150 / 0.460 G24 39.7 10.3 5.4 +/- 2.21 14.9 +/- 2.21 0.150 / 0.180 G27 229.3 14.4 10.1 +/- 1.69 25.6 +/- 1.69 0.170 / 0.240 G31 178.5 31.4 8.7 +/- 2.42 14.8 +/- 2.42 0.040 / 0.060 G32 337.9 73.6 6.9 +/- 0.50 7.2 +/- 0.50 0.040 / 0.060