PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/08/14-03:28:00 G08 269.4 19.8 10.7 +/- 1.77 23.7 +/- 1.77 0.030 / 0.020 G10 51.7 60.6 6.1 +/- 0.93 6.9 +/- 0.93 0.030 / 0.020 G11 312.6 16.5 5.0 +/- 2.01 11.9 +/- 2.01 0.030 / 0.030 G14 260.7 65.3 8.5 +/- 0.79 9.2 +/- 0.79 0.040 / 0.030 G18 87.0 40.0 7.0 +/- 1.13 10.2 +/- 1.13 0.190 / 0.230 G21 153.4 19.0 6.9 +/- 2.05 15.5 +/- 2.05 0.100 / 0.200 G24 42.1 14.3 4.9 +/- 2.89 12.5 +/- 2.89 0.220 / 0.450 G27 233.4 18.1 11.5 +/- 3.42 26.5 +/- 3.42 0.170 / 0.460 G31 179.5 25.7 9.5 +/- 1.04 18.3 +/- 1.04 0.080 / 0.170 G32 316.9 75.4 7.5 +/- 0.43 7.8 +/- 0.43 0.090 / 0.230