ps4973 d:\northps\block456-14jan08\ps4973.txt 17 Jan 08 11:07:02 Thursday elapsed time 01:04:10 7207335 unique returns and 0 duplicate returns	Rectangular area = 0.877 km2 Data area = 0.875 km2 *percent double coverage = 99.963 **low-curvature dc area = 0.001 km2	details return classification P1 = 19.7 cm, P2 = 19.7 cm
1st-return consistency 1st-return RMSE, low-curvature areas = 0.740 95p = 1.217, 98p = 1.331, 99.5p = 1.492 consistency legend	Ground-return consistency BE RMSE = 1.891 95p = 3.879, 98p = 5.253, 99.5p = 7.903	1st-return density ground-return density density legend ratio ground returns     to 1st returns ratio legend