| ps3407 d:\northps\block123-14dec07\ps3407.txt 26 Dec 07 11:30:30 Wednesday elapsed time 00:07:28 1912165 unique returns and 0 duplicate returns | Rectangular area = 0.875 km2 Data area = 0.874 km2 *percent double coverage = 99.947 **low-curvature dc area = 0.004 km2 | details return classification P1 = 8.9 cm, P2 = 142.3 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 0.727 95p = 1.186, 98p = 1.332, 99.5p = 1.493  consistency legend | Ground-return consistency BE RMSE = 1.987 95p = 4.115, 98p = 5.908, 99.5p = 8.830   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |