| ps0253 d:\northps\block123-14dec07\ps0253.txt 14 Dec 07 15:01:35 Friday elapsed time 00:04:40 1463707 unique returns and 0 duplicate returns | Rectangular area = 0.875 km2 Data area = 0.838 km2 *percent double coverage = 32.612 **low-curvature dc area = 0.007 km2 | details return classification P1 = 19.2 cm, P2 = 62.5 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 0.560 95p = 0.988, 98p = 1.251, 99.5p = 1.831  consistency legend | Ground-return consistency BE RMSE = 1.548 95p = 3.103, 98p = 4.300, 99.5p = 6.604   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |