PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/05/05-15:58:00 G07 334.3 59.0 9.0 +/- 1.42 10.3 +/- 1.42 0.110 / 0.290 G08 108.6 49.5 10.5 +/- 0.82 13.3 +/- 0.82 0.090 / 0.210 G09 214.5 80.4 10.2 +/- 1.34 10.3 +/- 1.34 0.200 / 0.380 G11 148.6 10.4 -1.2 +/- 24.26 -3.2 +/- 24.26 0.220 / 0.630 G16 44.8 14.3 7.1 +/- 1.72 18.1 +/- 1.72 0.030 / 0.040 G23 153.0 47.6 10.8 +/- 0.75 14.1 +/- 0.75 0.030 / 0.050 G27 62.9 35.3 8.4 +/- 0.50 13.2 +/- 0.50 0.040 / 0.070 G28 231.7 20.2 10.0 +/- 2.05 22.0 +/- 2.05 0.050 / 0.080 G30 298.3 33.1 8.4 +/- 1.04 13.8 +/- 1.04 0.050 / 0.070