| ps3664 d:\northps\block456-14jan08\ps3664.txt 16 Jan 08 16:37:21 Wednesday elapsed time 00:06:51 1821973 unique returns and 0 duplicate returns | Rectangular area = 0.875 km2 Data area = 0.874 km2 *percent double coverage = 77.305 **low-curvature dc area = 0.005 km2 | details return classification | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 4.388 95p = 5.046, 98p = 5.189, 99.5p = 5.368  consistency legend | Ground-return consistency BE RMSE = 3.429 95p = 6.084, 98p = 7.732, 99.5p = 10.408   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |