PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/22-01:28:00 G10 250.9 28.3 14.1 +/- 1.79 25.7 +/- 1.79 0.040 / 0.050 G13 52.7 28.7 7.8 +/- 0.48 14.1 +/- 0.48 0.040 / 0.060 G15 84.0 56.9 10.6 +/- 0.41 12.4 +/- 0.41 0.090 / 0.140 G16 296.9 15.1 7.8 +/- 2.57 19.4 +/- 2.57 0.080 / 0.130 G20 270.5 50.9 11.2 +/- 1.12 13.9 +/- 1.12 0.150 / 0.490 G21 334.6 60.2 10.2 +/- 0.77 11.6 +/- 0.77 0.140 / 0.560 G26 268.8 15.3 10.4 +/- 2.57 25.7 +/- 2.57 0.050 / 0.130 G29 162.8 48.1 11.2 +/- 1.46 14.5 +/- 1.46 0.060 / 0.170