PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/12/06-18:12:50 G08 309.7 18.8 7.7 +/- 0.81 17.5 +/- 0.81 0.050 / 0.060 G10 330.1 59.6 9.2 +/- 0.52 10.5 +/- 0.52 0.060 / 0.070 G14 218.1 30.9 11.4 +/- 3.26 19.6 +/- 3.26 0.040 / 0.060 G15 46.8 9.8 7.9 +/- 2.67 22.2 +/- 2.67 0.050 / 0.050 G18 40.9 58.5 11.4 +/- 0.71 13.1 +/- 0.71 0.130 / 0.150 G21 133.9 51.9 13.2 +/- 0.89 16.2 +/- 0.89 0.070 / 0.190 G24 75.6 30.6 11.1 +/- 0.90 19.2 +/- 0.90 0.050 / 0.050 G27 273.5 37.6 9.9 +/- 2.29 15.0 +/- 2.29 0.050 / 0.040 G32 223.3 50.8 13.2 +/- 1.79 16.5 +/- 1.79 0.080 / 0.060