PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/07/11-20:12:30 G02 330.8 79.6 10.3 +/- 0.82 10.4 +/- 0.82 0.050 / 0.120 G05 164.7 32.6 13.9 +/- 1.75 23.1 +/- 1.75 0.040 / 0.110 G06 41.8 39.6 9.0 +/- 0.39 13.2 +/- 0.39 0.040 / 0.030 G12 311.7 73.4 9.7 +/- 0.56 10.0 +/- 0.56 0.030 / 0.030 G17 85.1 12.3 11.2 +/- 2.57 29.7 +/- 2.57 0.030 / 0.040 G19 72.5 30.2 11.1 +/- 0.78 19.4 +/- 0.78 0.030 / 0.050 G24 228.1 23.2 14.1 +/- 2.63 28.7 +/- 2.63 0.100 / 0.270 G25 317.4 28.0 7.6 +/- 1.04 13.9 +/- 1.04 0.110 / 0.270