PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/27-21:57:40 G01 229.9 23.0 11.9 +/- 1.47 24.4 +/- 1.47 0.040 / 0.030 G03 305.5 60.3 7.8 +/- 1.30 8.8 +/- 1.30 0.040 / 0.040 G14 75.6 33.5 7.7 +/- 0.87 12.5 +/- 0.87 0.060 / 0.110 G16 150.6 36.8 10.0 +/- 1.05 15.4 +/- 1.05 0.060 / 0.110 G22 251.0 74.6 8.7 +/- 0.52 9.0 +/- 0.52 0.110 / 0.120 G23 300.8 31.3 8.4 +/- 1.05 14.4 +/- 1.05 0.080 / 0.110 G26 112.8 51.2 10.2 +/- 0.58 12.7 +/- 0.58 0.030 / 0.050 G31 42.8 39.8 5.3 +/- 1.94 7.8 +/- 1.94 0.040 / 0.040