PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/02/10-19:57:50 G03 196.2 36.7 10.7 +/- 1.32 16.4 +/- 1.32 0.070 / 0.070 G07 276.0 31.1 10.8 +/- 1.11 18.5 +/- 1.11 0.120 / 0.090 G08 150.5 15.0 12.6 +/- 2.27 31.2 +/- 2.27 0.040 / 0.040 G09 318.7 46.2 9.6 +/- 1.06 12.7 +/- 1.06 0.030 / 0.050 G16 57.0 57.8 8.7 +/- 0.94 10.1 +/- 0.94 0.070 / 0.100 G22 181.7 20.3 10.7 +/- 2.66 23.3 +/- 2.66 0.080 / 0.120 G23 354.7 76.8 9.0 +/- 0.61 9.2 +/- 0.61 0.090 / 0.130 G26 45.0 31.2 7.9 +/- 1.35 13.4 +/- 1.35 0.080 / 0.150 G27 120.4 23.7 11.8 +/- 0.96 23.7 +/- 0.96 0.050 / 0.050