PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/10-19:28:10 G02 35.3 53.6 9.7 +/- 0.62 11.7 +/- 0.62 0.030 / 0.040 G05 130.1 65.8 11.2 +/- 1.05 12.2 +/- 1.05 0.040 / 0.050 G06 57.1 10.4 8.7 +/- 2.11 24.1 +/- 2.11 0.040 / 0.050 G12 187.4 59.2 10.4 +/- 1.02 11.8 +/- 1.02 0.040 / 0.060 G25 288.0 56.7 9.1 +/- 1.35 10.7 +/- 1.35 0.040 / 0.070 G29 310.0 30.3 8.5 +/- 1.41 14.7 +/- 1.41 0.040 / 0.060