PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/10-04:58:10 G07 318.6 52.8 3.7 +/- 0.94 4.5 +/- 0.94 0.090 / 0.170 G08 119.2 46.3 6.8 +/- 0.67 9.0 +/- 0.67 0.130 / 0.180 G09 224.9 83.4 4.3 +/- 0.44 4.3 +/- 0.44 0.030 / 0.030 G16 43.8 14.9 0.5 +/- 2.51 1.2 +/- 2.51 0.030 / 0.020 G23 150.1 53.5 5.4 +/- 1.02 6.5 +/- 1.02 0.050 / 0.050 G27 68.4 36.1 5.3 +/- 1.89 8.2 +/- 1.89 0.050 / 0.050 G28 227.8 12.8 1.0 +/- 16.76 2.7 +/- 16.76 0.240 / 0.750 G30 291.6 25.7 4.8 +/- 1.25 9.3 +/- 1.25 0.340 / 0.590