PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/02/10-20:13:10 G03 207.6 55.3 12.0 +/- 0.86 14.2 +/- 0.86 0.060 / 0.110 G07 258.1 15.9 11.5 +/- 1.56 28.1 +/- 1.56 0.100 / 0.070 G09 310.8 28.3 8.2 +/- 1.66 14.9 +/- 1.66 0.130 / 0.310 G16 93.8 65.2 12.3 +/- 0.39 13.4 +/- 0.39 0.110 / 0.310 G22 187.0 39.6 11.5 +/- 1.43 16.9 +/- 1.43 0.040 / 0.040 G23 332.9 62.1 11.4 +/- 0.52 12.7 +/- 0.52 0.040 / 0.040 G26 52.2 42.0 9.6 +/- 0.41 13.6 +/- 0.41 0.030 / 0.050 G27 132.1 12.0 13.9 +/- 2.99 37.2 +/- 2.99 0.030 / 0.060