PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/09/04-03:27:50 G01 271.0 41.1 8.0 +/- 2.29 11.4 +/- 2.29 0.050 / 0.050 G03 315.5 27.1 3.2 +/- 2.04 5.9 +/- 2.04 0.040 / 0.050 G10 129.6 16.8 5.5 +/- 0.96 13.1 +/- 0.96 0.050 / 0.050 G11 249.1 20.1 8.5 +/- 1.91 18.7 +/- 1.91 0.040 / 0.050 G14 42.7 50.5 5.7 +/- 0.64 7.2 +/- 0.64 0.240 / 0.430 G18 233.7 39.1 9.1 +/- 1.24 13.4 +/- 1.24 0.130 / 0.380 G22 314.0 49.7 5.5 +/- 1.05 6.9 +/- 1.05 0.070 / 0.070 G25 51.6 16.1 3.1 +/- 2.80 7.6 +/- 2.80 0.060 / 0.070 G31 53.8 71.6 5.9 +/- 0.49 6.2 +/- 0.49 0.100 / 0.180 G32 65.1 30.9 4.2 +/- 1.29 7.2 +/- 1.29 0.060 / 0.210