PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/08-22:42:40 G08 268.7 19.6 9.2 +/- 4.37 20.4 +/- 4.37 0.110 / 0.290 G10 55.6 59.3 -21.1 +/- 40.98 -24.1 +/- 40.98 0.140 / 0.270 G11 313.1 15.9 5.2 +/- 18.24 12.7 +/- 18.24 0.160 / 0.300 G14 259.4 64.0 6.7 +/- 2.75 7.4 +/- 2.75 0.120 / 0.310 G18 313.5 30.4 9.6 +/- 3.71 16.7 +/- 3.71 0.040 / 0.060 G20 92.1 38.8 12.0 +/- 38.70 17.9 +/- 38.70 0.050 / 0.060 G21 154.1 18.0 12.5 +/- 34.27 28.9 +/- 34.27 0.110 / 0.180 G27 235.5 18.4 11.8 +/- 13.62 27.0 +/- 13.62 0.100 / 0.230 G31 179.1 26.9 13.2 +/- 40.85 24.7 +/- 40.85 0.150 / 0.420 G32 329.9 75.5 7.0 +/- 2.59 7.2 +/- 2.59 0.130 / 0.350