PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/29-01:57:50 G10 278.6 45.3 12.9 +/- 1.50 17.3 +/- 1.50 0.080 / 0.130 G13 38.1 9.8 8.6 +/- 2.59 24.1 +/- 2.59 0.200 / 0.130 G15 50.9 40.1 10.0 +/- 1.12 14.5 +/- 1.12 0.110 / 0.060 G20 317.4 63.5 11.5 +/- 1.05 12.7 +/- 1.05 0.060 / 0.060 G21 32.9 76.3 11.7 +/- 0.58 12.0 +/- 0.58 0.050 / 0.040 G24 112.6 19.6 11.6 +/- 1.69 25.7 +/- 1.69 0.050 / 0.030 G27 314.0 25.2 8.1 +/- 1.78 15.7 +/- 1.78 0.130 / 0.670 G29 167.3 20.3 13.7 +/- 3.12 30.0 +/- 3.12 0.090 / 0.330 G32 206.2 16.1 14.7 +/- 3.45 35.5 +/- 3.45 0.120 / 0.190