PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/10/31-22:42:40 G01 318.1 19.8 10.4 +/- 2.65 22.9 +/- 2.65 0.140 / 0.400 G08 254.5 11.9 11.9 +/- 1.08 31.7 +/- 1.08 0.140 / 0.350 G10 82.6 52.7 8.8 +/- 0.65 10.7 +/- 0.65 0.050 / 0.060 G11 300.6 24.7 11.0 +/- 1.73 21.7 +/- 1.73 0.040 / 0.070 G14 307.7 71.4 9.5 +/- 0.79 9.9 +/- 0.79 0.180 / 0.330 G18 104.0 26.8 12.0 +/- 1.75 22.5 +/- 1.75 0.170 / 0.360 G22 301.4 11.3 5.9 +/- 15.40 16.0 +/- 15.40 0.040 / 0.050 G31 179.2 41.0 13.3 +/- 2.00 19.0 +/- 2.00 0.070 / 0.050 G32 6.1 67.2 9.5 +/- 0.81 10.2 +/- 0.81 0.040 / 0.030