| ps4877 d:\northps\block456-14jan08\ps4877.txt 17 Jan 08 08:22:03 Thursday elapsed time 00:19:52 4576770 unique returns and 0 duplicate returns | Rectangular area = 0.877 km2 Data area = 0.874 km2 *percent double coverage = 99.957 **low-curvature dc area = 0.001 km2 | details return classification P1 = 12.9 cm, P2 = 48.1 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 0.641 95p = 1.126, 98p = 1.264, 99.5p = 1.444  consistency legend | Ground-return consistency BE RMSE = 3.128 95p = 6.423, 98p = 9.195, 99.5p = 14.043   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |