PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/01-03:43:00 G08 262.3 16.2 11.4 +/- 1.59 27.6 +/- 1.59 0.120 / 0.220 G10 69.6 56.3 6.8 +/- 0.51 8.0 +/- 0.51 0.200 / 0.210 G11 307.9 20.2 6.0 +/- 0.91 13.2 +/- 0.91 0.170 / 0.340 G14 275.0 67.2 7.7 +/- 0.49 8.3 +/- 0.49 0.180 / 0.420 G18 309.7 35.5 7.2 +/- 1.21 11.4 +/- 1.21 0.030 / 0.040 G20 84.6 55.4 10.1 +/- 0.73 12.0 +/- 0.73 0.040 / 0.050 G21 155.7 11.9 9.3 +/- 2.66 24.9 +/- 2.66 0.220 / 0.330 G27 228.5 12.9 12.1 +/- 2.04 31.6 +/- 2.04 0.210 / 0.330 G31 175.6 37.0 9.4 +/- 0.76 14.4 +/- 0.76 0.100 / 0.280 G32 358.8 70.8 6.5 +/- 0.64 6.8 +/- 0.64 0.140 / 0.360