PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/09-20:43:00 G02 238.3 74.5 9.7 +/- 0.71 10.0 +/- 0.71 0.250 / 0.390 G05 171.7 15.2 14.1 +/- 0.74 35.0 +/- 0.74 0.030 / 0.040 G06 40.8 60.9 11.0 +/- 0.56 12.4 +/- 0.56 0.030 / 0.040 G12 320.7 48.0 9.0 +/- 0.45 11.6 +/- 0.45 0.130 / 0.090 G17 68.7 24.0 10.0 +/- 0.64 19.9 +/- 0.64 0.100 / 0.110 G19 55.8 38.7 9.6 +/- 1.62 14.2 +/- 1.62 0.040 / 0.050 G24 246.6 35.5 12.5 +/- 2.37 19.6 +/- 2.37 0.030 / 0.050 G25 316.0 10.6 -14.8 +/- 23.75 -40.7 +/- 23.75 0.060 / 0.110