PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/09-03:42:30 G10 292.5 50.8 7.9 +/- 2.84 9.9 +/- 2.84 0.070 / 0.110 G15 46.7 30.7 5.3 +/- 1.42 9.1 +/- 1.42 0.060 / 0.090 G20 342.2 65.2 8.2 +/- 0.53 8.9 +/- 0.53 0.110 / 0.100 G21 80.8 75.9 9.7 +/- 1.01 9.9 +/- 1.01 0.090 / 0.070 G24 102.1 24.8 10.0 +/- 1.77 19.7 +/- 1.77 0.040 / 0.040 G27 305.8 31.6 7.4 +/- 1.58 12.5 +/- 1.58 0.040 / 0.040 G32 209.2 25.3 11.0 +/- 1.38 21.3 +/- 1.38 0.060 / 0.090