PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/07/05-21:12:30 G02 15.5 67.9 14.8 +/- 0.34 15.9 +/- 0.34 0.030 / 0.060 G05 155.4 48.7 20.8 +/- 1.43 26.6 +/- 1.43 0.030 / 0.050 G06 47.2 25.7 14.0 +/- 1.43 26.9 +/- 1.43 0.030 / 0.030 G12 230.6 79.9 16.1 +/- 0.75 16.3 +/- 0.75 0.030 / 0.030 G19 87.1 20.6 15.5 +/- 1.66 33.6 +/- 1.66 0.040 / 0.040 G24 216.9 12.2 18.5 +/- 1.88 49.3 +/- 1.88 0.040 / 0.060 G25 311.7 42.4 14.9 +/- 2.44 20.8 +/- 2.44 0.120 / 0.390 G29 296.5 16.9 14.8 +/- 2.30 35.2 +/- 2.30 0.100 / 0.470