ps4901 d:\northps\block456-14jan08\ps4901.txt 17 Jan 08 09:03:36 Thursday elapsed time 00:15:36 3819165 unique returns and 0 duplicate returns	Rectangular area = 0.877 km2 Data area = 0.873 km2 *percent double coverage = 99.830 **low-curvature dc area = 0.023 km2	details return classification P1 = 13.2 cm, P2 = 56.6 cm
1st-return consistency 1st-return RMSE, low-curvature areas = 0.318 95p = 0.634, 98p = 0.823, 99.5p = 1.059 consistency legend	Ground-return consistency BE RMSE = 1.948 95p = 3.906, 98p = 5.730, 99.5p = 9.374	1st-return density ground-return density density legend ratio ground returns     to 1st returns ratio legend