PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/22-01:58:10 G10 264.3 37.7 12.2 +/- 1.43 18.5 +/- 1.43 0.040 / 0.040 G13 43.0 19.5 8.6 +/- 0.91 19.2 +/- 0.91 0.040 / 0.050 G15 61.5 50.0 9.3 +/- 0.46 11.7 +/- 0.46 0.120 / 0.310 G16 283.3 13.1 9.0 +/- 2.10 23.4 +/- 2.10 0.130 / 0.340 G20 292.3 58.8 11.4 +/- 0.77 13.0 +/- 0.77 0.080 / 0.070 G21 356.5 69.7 10.2 +/- 0.63 10.8 +/- 0.63 0.080 / 0.090 G24 123.1 12.5 9.5 +/- 2.38 25.0 +/- 2.38 0.130 / 0.420 G27 320.3 15.7 5.9 +/- 2.60 14.5 +/- 2.60 0.110 / 0.270 G29 166.0 32.9 11.6 +/- 2.15 19.1 +/- 2.15 0.080 / 0.280