| ps4473 d:\northps\block456-14jan08\ps4473.txt 17 Jan 08 01:22:35 Thursday elapsed time 00:06:47 1680546 unique returns and 0 duplicate returns | Rectangular area = 0.877 km2 Data area = 0.874 km2 *percent double coverage = 99.692 **low-curvature dc area = 0.000 km2 | details return classification | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 2.321 95p = 3.777, 98p = 3.871, 99.5p = 4.039  consistency legend | Ground-return consistency BE RMSE = 2.831 95p = 5.407, 98p = 6.856, 99.5p = 9.617   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |