PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/06-18:12:50 G02 19.3 64.8 5.2 +/- 0.58 5.7 +/- 0.58 0.080 / 0.050 G05 153.0 52.5 9.7 +/- 0.68 11.8 +/- 0.68 0.060 / 0.070 G06 48.4 22.9 5.2 +/- 1.43 10.7 +/- 1.43 0.150 / 0.300 G12 228.0 78.1 6.0 +/- 0.49 6.1 +/- 0.49 0.180 / 0.290 G19 92.0 14.1 7.8 +/- 1.80 19.9 +/- 1.80 0.040 / 0.030 G25 308.8 45.0 7.1 +/- 0.96 9.6 +/- 0.96 0.030 / 0.040 G29 299.9 21.0 7.5 +/- 1.56 16.2 +/- 1.56 0.080 / 0.120