PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/09/28-00:43:10 G01 320.4 13.2 6.9 +/- 32.63 17.8 +/- 32.63 0.040 / 0.030 G08 261.1 15.9 22.5 +/- 1.17 54.7 +/- 1.17 0.030 / 0.020 G10 69.1 57.0 18.6 +/- 1.25 21.7 +/- 1.25 0.220 / 0.210 G11 307.0 21.3 15.0 +/- 2.97 32.0 +/- 2.97 0.120 / 0.210 G14 283.1 69.8 17.8 +/- 0.54 18.8 +/- 0.54 0.060 / 0.060 G18 96.5 33.1 19.5 +/- 2.10 32.1 +/- 2.10 0.060 / 0.070 G27 226.8 12.1 29.6 +/- 1.51 78.9 +/- 1.51 0.240 / 0.200 G31 179.4 33.4 26.6 +/- 2.18 43.4 +/- 2.18 0.190 / 0.290 G32 343.2 72.4 17.7 +/- 0.71 18.5 +/- 0.71 0.050 / 0.040