PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/11/08-01:43:10 G01 223.5 14.3 9.5 +/- 2.64 24.0 +/- 2.64 0.030 / 0.030 G03 279.1 68.3 7.4 +/- 0.51 7.9 +/- 0.51 0.030 / 0.030 G14 90.5 21.0 7.4 +/- 1.34 15.9 +/- 1.34 0.180 / 0.410 G16 151.3 46.1 13.7 +/- 0.94 18.2 +/- 0.94 0.260 / 0.230 G22 210.9 68.0 10.9 +/- 0.38 11.7 +/- 0.38 0.050 / 0.090 G23 309.4 38.8 7.4 +/- 1.27 10.9 +/- 1.27 0.070 / 0.100 G26 96.9 56.1 9.3 +/- 0.98 10.9 +/- 0.98 0.040 / 0.140 G31 45.4 32.7 7.0 +/- 1.40 11.5 +/- 1.40 0.030 / 0.070