PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/25-04:12:40 G08 293.9 22.4 6.4 +/- 2.36 13.3 +/- 2.36 0.100 / 0.120 G10 13.9 62.7 4.9 +/- 0.67 5.4 +/- 0.67 0.110 / 0.120 G14 230.6 47.6 9.4 +/- 2.13 12.3 +/- 2.13 0.040 / 0.030 G18 317.9 11.9 2.2 +/- 14.64 5.8 +/- 14.64 0.050 / 0.030 G20 67.3 51.5 5.5 +/- 0.36 6.8 +/- 0.36 0.080 / 0.090 G24 54.9 24.9 3.9 +/- 0.78 7.6 +/- 0.78 0.060 / 0.070 G27 253.7 31.3 9.1 +/- 1.26 15.5 +/- 1.26 0.090 / 0.210 G32 246.4 66.9 6.9 +/- 0.69 7.5 +/- 0.69 0.090 / 0.190