| ps2177 d:\northps\block456-14jan08\ps2177.txt 15 Jan 08 18:00:43 Tuesday elapsed time 00:12:57 1741353 unique returns and 0 duplicate returns | Rectangular area = 0.875 km2 Data area = 0.861 km2 *percent double coverage = 96.233 **low-curvature dc area = 0.007 km2 | details return classification P1 = 28.8 cm, P2 = 172.3 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 1.177 95p = 1.790, 98p = 1.974, 99.5p = 2.225  consistency legend | Ground-return consistency BE RMSE = 3.107 95p = 5.840, 98p = 8.302, 99.5p = 14.086   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |