PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/09-21:12:30 G02 306.6 81.2 9.2 +/- 0.93 9.3 +/- 0.93 0.190 / 0.200 G05 166.4 27.5 12.9 +/- 0.86 23.9 +/- 0.86 0.140 / 0.200 G06 39.7 47.4 8.5 +/- 0.45 11.0 +/- 0.45 0.080 / 0.200 G12 318.5 61.9 9.2 +/- 0.84 10.3 +/- 0.84 0.080 / 0.190 G17 79.9 16.1 9.2 +/- 1.08 22.3 +/- 1.08 0.030 / 0.040 G19 69.0 30.2 9.2 +/- 1.24 16.0 +/- 1.24 0.040 / 0.040 G24 233.5 27.1 12.7 +/- 1.51 23.6 +/- 1.51 0.050 / 0.050 G25 317.5 22.4 6.1 +/- 2.41 12.6 +/- 2.41 0.030 / 0.050