| ps3907 d:\northps\block456-14jan08\ps3907.txt 16 Jan 08 18:55:35 Wednesday elapsed time 00:07:59 1840212 unique returns and 0 duplicate returns | Rectangular area = 0.876 km2 Data area = 0.873 km2 *percent double coverage = 99.081 **low-curvature dc area = 0.003 km2 | details return classification P1 = 18.8 cm, P2 = 156.0 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 1.122 95p = 1.797, 98p = 1.980, 99.5p = 2.337  consistency legend | Ground-return consistency BE RMSE = 2.031 95p = 3.941, 98p = 5.313, 99.5p = 7.899   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |