PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/08/16-01:12:50 G10 297.9 51.5 9.6 +/- 1.39 11.9 +/- 1.39 0.040 / 0.050 G14 210.3 14.5 12.1 +/- 3.61 30.4 +/- 3.61 0.030 / 0.040 G15 46.2 29.0 7.8 +/- 0.69 13.9 +/- 0.69 0.040 / 0.050 G18 357.9 66.0 9.0 +/- 1.07 9.8 +/- 1.07 0.030 / 0.050 G20 72.6 16.3 7.6 +/- 1.58 18.2 +/- 1.58 0.070 / 0.140 G21 99.9 73.2 11.5 +/- 0.80 12.0 +/- 0.80 0.070 / 0.130 G24 98.0 26.9 11.4 +/- 0.59 21.3 +/- 0.59 0.250 / 0.710 G27 297.5 35.6 10.0 +/- 1.36 15.8 +/- 1.36 0.160 / 0.690 G32 211.6 31.7 10.7 +/- 0.93 18.0 +/- 0.93 0.070 / 0.110