PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/08/11-06:43:00 G01 248.1 33.9 8.4 +/- 1.75 13.6 +/- 1.75 0.090 / 0.110 G03 315.5 43.5 5.5 +/- 1.31 7.6 +/- 1.31 0.070 / 0.080 G11 232.9 11.7 6.9 +/- 1.55 18.6 +/- 1.55 0.120 / 0.280 G14 64.0 37.9 4.2 +/- 2.17 6.4 +/- 2.17 0.120 / 0.180 G16 163.0 19.8 5.9 +/- 1.25 13.0 +/- 1.25 0.030 / 0.030 G22 301.3 68.7 4.4 +/- 0.69 4.7 +/- 0.69 0.030 / 0.030 G23 287.7 19.5 7.0 +/- 2.44 15.6 +/- 2.44 0.150 / 0.120 G26 136.2 39.2 7.1 +/- 1.05 10.4 +/- 1.05 0.130 / 0.120 G31 40.1 56.8 3.3 +/- 1.28 3.9 +/- 1.28 0.080 / 0.140 G32 78.7 22.6 4.1 +/- 1.52 8.5 +/- 1.52 0.090 / 0.080