PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/25-00:13:00 G03 229.3 65.6 5.6 +/- 1.14 6.1 +/- 1.14 0.120 / 0.420 G07 251.2 11.6 1.3 +/- 17.95 3.6 +/- 17.95 0.140 / 0.330 G09 307.0 24.6 5.3 +/- 1.75 10.5 +/- 1.75 0.040 / 0.050 G14 103.3 11.1 4.9 +/- 2.20 13.4 +/- 2.20 0.050 / 0.040 G16 117.5 61.6 5.2 +/- 0.31 5.9 +/- 0.31 0.090 / 0.250 G22 193.8 51.2 7.3 +/- 0.49 9.0 +/- 0.49 0.100 / 0.230 G23 321.1 50.9 4.6 +/- 0.72 5.8 +/- 0.72 0.040 / 0.030 G26 64.2 50.3 2.8 +/- 0.90 3.5 +/- 0.90 0.040 / 0.030 G31 54.0 18.4 2.4 +/- 3.42 5.4 +/- 3.42 0.040 / 0.030