PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/07/08-01:58:10 G10 302.6 54.1 10.3 +/- 1.32 12.4 +/- 1.32 0.060 / 0.070 G14 210.5 13.4 15.6 +/- 2.97 40.4 +/- 2.97 0.120 / 0.080 G15 45.7 25.2 10.7 +/- 2.15 20.9 +/- 2.15 0.080 / 0.050 G20 357.7 65.1 11.6 +/- 0.61 12.6 +/- 0.61 0.080 / 0.040 G21 102.6 73.0 12.9 +/- 0.42 13.4 +/- 0.42 0.040 / 0.040 G24 95.5 27.5 10.8 +/- 1.67 19.9 +/- 1.67 0.040 / 0.030 G27 298.7 34.9 9.0 +/- 1.57 14.2 +/- 1.57 0.130 / 0.450 G32 211.5 32.7 13.8 +/- 1.69 22.9 +/- 1.69 0.110 / 0.540