ps1997 d:\northps\block123-14dec07\ps1997.txt 15 Dec 07 07:12:19 Saturday elapsed time 00:06:55 1662313 unique returns and 0 duplicate returns	Rectangular area = 0.875 km2 Data area = 0.767 km2 *percent double coverage = 97.231 **low-curvature dc area = 0.041 km2	details return classification P1 = 18.6 cm, P2 = 120.3 cm
1st-return consistency 1st-return RMSE, low-curvature areas = 0.813 95p = 1.562, 98p = 1.743, 99.5p = 1.995 consistency legend	Ground-return consistency BE RMSE = 1.519 95p = 3.228, 98p = 4.468, 99.5p = 6.399	1st-return density ground-return density density legend ratio ground returns     to 1st returns ratio legend