| ps1573 d:\northps\block123-14dec07\ps1573.txt 15 Dec 07 04:04:10 Saturday elapsed time 00:07:24 1858478 unique returns and 0 duplicate returns | Rectangular area = 0.875 km2 Data area = 0.863 km2 *percent double coverage = 98.093 **low-curvature dc area = 0.043 km2 | details return classification P1 = 28.2 cm, P2 = 136.2 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 0.884 95p = 1.363, 98p = 1.535, 99.5p = 1.835  consistency legend | Ground-return consistency BE RMSE = 1.692 95p = 3.122, 98p = 4.845, 99.5p = 8.302   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |