PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/09/23-01:28:10 G01 316.8 22.3 4.7 +/- 2.06 9.8 +/- 2.06 0.100 / 0.230 G08 251.4 10.4 9.9 +/- 2.46 27.4 +/- 2.46 0.120 / 0.270 G10 86.8 51.1 8.1 +/- 0.52 10.1 +/- 0.52 0.080 / 0.210 G11 296.9 26.5 7.0 +/- 1.74 13.2 +/- 1.74 0.100 / 0.220 G14 319.0 71.5 7.7 +/- 0.66 8.1 +/- 0.66 0.030 / 0.030 G18 106.0 25.6 8.6 +/- 0.96 16.6 +/- 0.96 0.030 / 0.030 G22 302.9 13.7 6.7 +/- 2.29 17.2 +/- 2.29 0.120 / 0.550 G25 93.9 10.8 -6.8 +/- 35.45 -18.7 +/- 35.45 0.110 / 0.570 G31 177.1 45.8 10.7 +/- 1.00 14.3 +/- 1.00 0.050 / 0.050 G32 10.4 65.6 6.1 +/- 0.75 6.6 +/- 0.75 0.050 / 0.060