| ps0649 d:\northps\block123-14dec07\ps0649.txt 14 Dec 07 18:51:44 Friday elapsed time 00:06:48 1968941 unique returns and 0 duplicate returns | Rectangular area = 0.875 km2 Data area = 0.874 km2 *percent double coverage = 99.854 **low-curvature dc area = 0.002 km2 | details return classification P1 = 10.1 cm, P2 = 128.2 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 0.566 95p = 1.220, 98p = 1.620, 99.5p = 1.962  consistency legend | Ground-return consistency BE RMSE = 1.988 95p = 3.885, 98p = 5.481, 99.5p = 8.522   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |