PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/08/14-00:43:00 G10 275.4 42.1 10.2 +/- 1.05 14.4 +/- 1.05 0.150 / 0.220 G13 39.5 13.6 7.0 +/- 1.91 18.0 +/- 1.91 0.190 / 0.210 G15 53.3 44.2 7.7 +/- 1.03 10.5 +/- 1.03 0.040 / 0.050 G18 316.5 65.9 8.8 +/- 0.47 9.6 +/- 0.47 0.060 / 0.050 G20 60.5 27.9 6.3 +/- 1.77 11.5 +/- 1.77 0.030 / 0.040 G21 28.2 76.0 8.6 +/- 0.94 8.9 +/- 0.94 0.030 / 0.030 G24 114.8 18.4 10.4 +/- 1.01 23.9 +/- 1.01 0.120 / 0.160 G27 313.2 26.1 8.2 +/- 2.43 15.6 +/- 2.43 0.120 / 0.170 G29 167.6 20.7 10.3 +/- 1.25 22.3 +/- 1.25 0.070 / 0.100 G32 206.2 15.3 14.0 +/- 0.68 34.5 +/- 0.68 0.080 / 0.110