PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/29-01:57:40 G01 319.7 16.3 7.2 +/- 2.06 17.4 +/- 2.06 0.200 / 0.320 G08 257.2 14.2 7.8 +/- 1.43 19.8 +/- 1.43 0.190 / 0.370 G10 76.8 54.0 7.6 +/- 0.56 9.2 +/- 0.56 0.130 / 0.260 G11 303.9 22.9 5.9 +/- 1.00 12.1 +/- 1.00 0.110 / 0.240 G14 289.0 69.8 7.9 +/- 0.64 8.4 +/- 0.64 0.040 / 0.050 G18 306.2 39.2 6.6 +/- 1.16 9.7 +/- 1.16 0.040 / 0.050 G20 69.6 66.7 12.2 +/- 0.77 13.2 +/- 0.77 0.070 / 0.280 G27 225.6 10.1 11.2 +/- 3.63 31.2 +/- 3.63 0.080 / 0.220 G31 174.5 41.7 10.3 +/- 0.85 14.6 +/- 0.85 0.160 / 0.290 G32 8.1 67.7 7.4 +/- 0.81 7.9 +/- 0.81 0.200 / 0.280