PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/07/24-04:43:10 G08 274.0 21.2 6.6 +/- 1.43 14.1 +/- 1.43 0.040 / 0.030 G10 42.2 61.9 2.6 +/- 1.06 2.9 +/- 1.06 0.030 / 0.030 G11 314.9 13.8 3.7 +/- 1.93 9.5 +/- 1.93 0.110 / 0.150 G14 252.1 62.2 6.8 +/- 0.85 7.5 +/- 0.85 0.090 / 0.180 G18 81.7 43.3 4.1 +/- 0.62 5.7 +/- 0.62 0.220 / 0.260 G21 152.4 23.8 6.2 +/- 2.30 12.5 +/- 2.30 0.280 / 0.200 G24 44.5 17.4 4.2 +/- 2.42 9.8 +/- 2.42 0.040 / 0.020 G27 237.0 21.1 4.8 +/- 2.08 10.2 +/- 2.08 0.040 / 0.030 G31 179.8 21.9 6.0 +/- 1.77 12.7 +/- 1.77 0.080 / 0.050 G32 300.5 75.8 4.0 +/- 0.41 4.1 +/- 0.41 0.070 / 0.040