PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/02-05:13:10 G07 309.0 48.4 6.1 +/- 1.23 7.8 +/- 1.23 0.090 / 0.210 G08 129.3 40.5 7.2 +/- 0.79 10.3 +/- 0.79 0.090 / 0.270 G09 298.6 81.2 6.0 +/- 0.60 6.1 +/- 0.60 0.040 / 0.060 G16 42.4 21.9 2.2 +/- 1.08 4.5 +/- 1.08 0.040 / 0.060 G23 144.5 61.9 7.5 +/- 0.79 8.3 +/- 0.79 0.040 / 0.080 G27 78.9 37.1 5.6 +/- 0.98 8.5 +/- 0.98 0.050 / 0.070 G30 285.6 20.9 4.8 +/- 2.71 10.3 +/- 2.71 0.120 / 0.260