PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/08/08-01:43:00 G10 296.1 50.9 9.5 +/- 1.31 11.8 +/- 1.31 0.070 / 0.140 G14 210.0 13.4 11.5 +/- 1.74 29.7 +/- 1.74 0.070 / 0.120 G15 46.4 30.5 9.0 +/- 1.08 15.7 +/- 1.08 0.090 / 0.520 G18 354.5 66.2 8.4 +/- 0.88 9.1 +/- 0.88 0.090 / 0.600 G20 71.8 17.0 8.4 +/- 1.96 19.8 +/- 1.96 0.040 / 0.040 G21 95.7 74.1 11.1 +/- 0.45 11.5 +/- 0.45 0.050 / 0.050 G24 99.3 26.4 11.3 +/- 1.08 21.3 +/- 1.08 0.050 / 0.040 G27 298.9 35.1 9.0 +/- 1.25 14.2 +/- 1.25 0.040 / 0.040 G32 211.0 30.8 11.1 +/- 1.45 19.1 +/- 1.45 0.080 / 0.090