PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/10/02-02:28:10 G01 271.8 41.0 6.1 +/- 1.00 8.7 +/- 1.00 0.050 / 0.050 G03 315.4 26.7 4.4 +/- 1.50 8.2 +/- 1.50 0.060 / 0.050 G10 129.2 18.5 6.7 +/- 1.86 15.3 +/- 1.86 0.050 / 0.080 G11 249.8 21.4 7.8 +/- 2.63 16.6 +/- 2.63 0.050 / 0.080 G14 43.9 49.5 4.0 +/- 0.51 5.0 +/- 0.51 0.040 / 0.090 G22 314.2 50.0 5.4 +/- 1.18 6.8 +/- 1.18 0.050 / 0.090 G25 51.1 15.8 4.9 +/- 1.46 12.1 +/- 1.46 0.040 / 0.030 G26 152.1 22.4 8.2 +/- 1.64 17.1 +/- 1.64 0.020 / 0.030 G31 62.1 78.1 4.7 +/- 0.87 4.8 +/- 0.87 0.110 / 0.260 G32 61.3 35.9 3.8 +/- 0.77 5.9 +/- 0.77 0.090 / 0.350