PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/08/10-03:12:40 G08 284.1 23.3 9.5 +/- 2.11 19.3 +/- 2.11 0.040 / 0.030 G10 20.7 63.2 6.7 +/- 0.34 7.4 +/- 0.34 0.030 / 0.030 G14 237.8 54.4 10.5 +/- 0.94 12.5 +/- 0.94 0.050 / 0.100 G18 70.8 48.5 6.9 +/- 0.60 8.8 +/- 0.60 0.050 / 0.110 G21 149.1 33.1 10.3 +/- 1.63 16.9 +/- 1.63 0.050 / 0.070 G24 51.2 23.3 6.3 +/- 0.43 12.8 +/- 0.43 0.040 / 0.080 G27 245.6 27.4 10.9 +/- 2.79 20.3 +/- 2.79 0.100 / 0.130 G31 182.4 12.2 10.9 +/- 2.93 29.0 +/- 2.93 0.080 / 0.130 G32 261.9 71.6 9.7 +/- 0.87 10.1 +/- 0.87 0.100 / 0.120