PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/10/27-01:28:10 G01 247.9 33.7 8.1 +/- 1.07 13.2 +/- 1.07 0.030 / 0.040 G03 315.4 44.7 4.7 +/- 2.00 6.4 +/- 2.00 0.030 / 0.040 G11 234.2 11.4 6.8 +/- 3.53 18.5 +/- 3.53 0.090 / 0.210 G14 64.0 38.2 4.0 +/- 0.85 6.0 +/- 0.85 0.080 / 0.240 G16 165.7 18.0 7.8 +/- 1.77 18.1 +/- 1.77 0.090 / 0.110 G22 301.7 67.5 5.5 +/- 0.47 5.9 +/- 0.47 0.050 / 0.100 G23 288.0 19.7 7.4 +/- 1.25 16.3 +/- 1.25 0.050 / 0.120 G26 139.3 38.6 9.9 +/- 1.49 14.8 +/- 1.49 0.060 / 0.110 G32 78.5 23.4 4.9 +/- 1.98 10.0 +/- 1.98 0.050 / 0.110