ps3974 d:\northps\block123-14dec07\ps3974.txt 15 Dec 07 16:41:41 Saturday elapsed time 00:06:42 2061936 unique returns and 0 duplicate returns	Rectangular area = 0.875 km2 Data area = 0.874 km2 *percent double coverage = 74.991 **low-curvature dc area = 0.001 km2	details return classification P1 = 42.2 cm, P2 = 147.3 cm
1st-return consistency 1st-return RMSE, low-curvature areas = 1.628 95p = 2.165, 98p = 2.241, 99.5p = 2.368 consistency legend	Ground-return consistency BE RMSE = 3.462 95p = 7.152, 98p = 9.652, 99.5p = 13.497	1st-return density ground-return density density legend ratio ground returns     to 1st returns ratio legend