| ps4764 d:\northps\block456-14jan08\ps4764.txt 17 Jan 08 05:10:34 Thursday elapsed time 00:16:10 3495015 unique returns and 0 duplicate returns | Rectangular area = 0.877 km2 Data area = 0.874 km2 *percent double coverage = 99.942 **low-curvature dc area = 0.000 km2 | details return classification P1 = 15.1 cm, P2 = 67.4 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 0.468 95p = 0.738, 98p = 0.854, 99.5p = 0.996  consistency legend | Ground-return consistency BE RMSE = 2.982 95p = 6.037, 98p = 8.531, 99.5p = 12.856   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |