PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/10-22:12:50 G03 226.8 64.8 9.0 +/- 2.22 9.8 +/- 2.22 0.050 / 0.090 G07 251.9 11.3 7.5 +/- 13.08 20.2 +/- 13.08 0.060 / 0.050 G09 308.6 27.6 6.5 +/- 0.74 12.0 +/- 0.74 0.140 / 0.350 G14 102.7 14.0 10.7 +/- 1.58 27.3 +/- 1.58 0.170 / 0.410 G16 109.3 61.6 10.7 +/- 0.76 12.0 +/- 0.76 0.040 / 0.050 G22 193.7 49.3 11.5 +/- 1.22 14.6 +/- 1.22 0.040 / 0.050 G23 323.8 53.7 9.8 +/- 1.09 11.8 +/- 1.09 0.100 / 0.390 G26 61.1 48.1 6.3 +/- 0.37 8.2 +/- 0.37 0.080 / 0.440 G31 55.6 15.1 5.7 +/- 2.79 14.0 +/- 2.79 0.050 / 0.040