PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/15-21:58:10 G05 49.0 16.7 5.8 +/- 0.89 13.8 +/- 0.89 0.060 / 0.110 G10 236.5 13.0 16.4 +/- 3.99 42.8 +/- 3.99 0.070 / 0.170 G13 74.7 36.2 8.5 +/- 0.87 13.2 +/- 0.87 0.050 / 0.080 G15 129.0 52.3 10.1 +/- 1.10 12.4 +/- 1.10 0.040 / 0.090 G16 312.1 13.7 7.1 +/- 1.68 18.1 +/- 1.68 0.110 / 0.330 G20 241.6 8.1 11.3 +/- 1.11 32.7 +/- 1.11 0.090 / 0.290 G21 312.8 46.5 6.8 +/- 0.98 9.0 +/- 0.98 0.250 / 0.480 G25 198.4 10.0 19.6 +/- 3.24 54.7 +/- 3.24 0.240 / 0.370 G26 285.1 20.9 10.1 +/- 1.59 21.7 +/- 1.59 0.050 / 0.120 G29 156.8 73.1 9.1 +/- 1.44 9.5 +/- 1.44 0.060 / 0.110