ps4225 d:\northps\block456-14jan08\ps4225.txt 16 Jan 08 22:24:43 Wednesday elapsed time 00:32:54 6289873 unique returns and 0 duplicate returns	Rectangular area = 0.877 km2 Data area = 0.875 km2 *percent double coverage = 99.917 **low-curvature dc area = 0.172 km2	details return classification P1 = 21.9 cm, P2 = 55.2 cm
1st-return consistency 1st-return RMSE, low-curvature areas = 0.741 95p = 1.637, 98p = 1.835, 99.5p = 2.157 consistency legend	Ground-return consistency BE RMSE = 1.541 95p = 2.897, 98p = 4.632, 99.5p = 8.529	1st-return density ground-return density density legend ratio ground returns     to 1st returns ratio legend