PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/07/25-03:42:50 G01 315.9 25.2 6.9 +/- 1.43 13.4 +/- 1.43 0.090 / 0.320 G10 90.9 47.3 8.0 +/- 0.79 10.5 +/- 0.79 0.130 / 0.260 G11 296.5 25.3 7.0 +/- 1.09 13.6 +/- 1.09 0.120 / 0.190 G14 317.4 71.1 7.5 +/- 0.96 7.9 +/- 0.96 0.140 / 0.160 G18 296.2 45.9 8.0 +/- 4.34 10.7 +/- 4.34 0.070 / 0.050 G20 111.4 24.2 6.3 +/- 1.20 12.5 +/- 1.20 0.070 / 0.050 G22 304.6 15.3 8.0 +/- 1.37 19.7 +/- 1.37 0.100 / 0.070 G25 95.9 11.3 -3.5 +/- 29.71 -9.6 +/- 29.71 0.050 / 0.080 G31 172.0 51.2 10.0 +/- 0.83 12.4 +/- 0.83 0.220 / 0.300 G32 17.8 63.1 6.5 +/- 0.62 7.2 +/- 0.62 0.210 / 0.300