PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/11/09-18:43:00 G10 275.6 42.3 10.4 +/- 1.25 14.6 +/- 1.25 0.090 / 0.130 G13 39.4 13.4 9.5 +/- 2.25 24.6 +/- 2.25 0.080 / 0.110 G15 51.9 41.5 9.9 +/- 0.72 14.1 +/- 0.72 0.030 / 0.040 G18 322.1 66.8 10.5 +/- 0.47 11.4 +/- 0.47 0.030 / 0.030 G20 59.4 30.2 10.3 +/- 0.98 17.9 +/- 0.98 0.060 / 0.130 G21 43.2 75.8 12.7 +/- 0.97 13.0 +/- 0.97 0.060 / 0.110 G24 114.8 18.5 14.5 +/- 1.94 33.1 +/- 1.94 0.170 / 0.270 G27 313.4 26.0 10.9 +/- 2.37 20.8 +/- 2.37 0.140 / 0.230 G29 166.0 17.6 13.6 +/- 1.40 31.6 +/- 1.40 0.080 / 0.360 G32 206.4 14.7 15.0 +/- 2.77 37.6 +/- 2.77 0.090 / 0.330