PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/19-23:57:30 G03 213.3 57.5 6.5 +/- 0.49 7.6 +/- 0.49 0.070 / 0.080 G07 258.5 17.1 5.7 +/- 2.14 13.4 +/- 2.14 0.080 / 0.080 G09 312.6 33.4 4.6 +/- 0.85 7.5 +/- 0.85 0.040 / 0.050 G16 87.6 62.7 5.5 +/- 0.90 6.1 +/- 0.90 0.030 / 0.050 G22 190.3 40.7 7.5 +/- 3.66 10.8 +/- 3.66 0.050 / 0.050 G23 331.5 61.3 4.4 +/- 0.79 5.0 +/- 0.79 0.050 / 0.050 G26 52.5 41.6 3.9 +/- 0.78 5.6 +/- 0.78 0.040 / 0.050 G27 132.9 11.3 3.4 +/- 26.13 9.3 +/- 26.13 0.040 / 0.040