PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/09/12-00:28:10 G08 298.1 22.9 11.0 +/- 1.06 22.6 +/- 1.06 0.060 / 0.090 G10 351.7 62.3 9.3 +/- 0.44 10.3 +/- 0.44 0.090 / 0.090 G14 225.1 42.4 15.0 +/- 1.69 20.9 +/- 1.69 0.050 / 0.090 G18 54.5 54.7 11.5 +/- 0.59 13.8 +/- 0.59 0.070 / 0.080 G21 142.3 45.4 14.7 +/- 1.41 19.7 +/- 1.41 0.030 / 0.040 G24 63.5 28.9 11.5 +/- 0.72 20.6 +/- 0.72 0.030 / 0.040 G27 259.5 34.3 12.8 +/- 1.31 20.6 +/- 1.31 0.070 / 0.110 G32 234.8 59.7 14.4 +/- 0.65 16.4 +/- 0.65 0.080 / 0.100