PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/09/27-00:28:10 G08 269.3 19.6 9.9 +/- 2.39 22.0 +/- 2.39 0.100 / 0.350 G10 52.8 60.4 11.0 +/- 0.96 12.4 +/- 0.96 0.090 / 0.300 G11 312.9 16.1 10.7 +/- 1.98 26.0 +/- 1.98 0.120 / 0.180 G14 261.3 65.3 10.7 +/- 0.55 11.7 +/- 0.55 0.100 / 0.160 G18 88.2 38.7 11.8 +/- 0.44 17.6 +/- 0.44 0.050 / 0.030 G21 153.2 17.2 12.4 +/- 3.28 29.3 +/- 3.28 0.030 / 0.030 G24 41.9 14.0 8.4 +/- 1.68 21.3 +/- 1.68 0.040 / 0.060 G27 233.1 17.9 14.1 +/- 1.75 32.8 +/- 1.75 0.050 / 0.060 G31 180.8 24.5 14.6 +/- 1.06 28.8 +/- 1.06 0.050 / 0.190 G32 311.3 74.9 11.7 +/- 0.86 12.1 +/- 0.86 0.070 / 0.160