| ps3899 d:\northps\block456-14jan08\ps3899.txt 16 Jan 08 18:47:25 Wednesday elapsed time 00:07:37 1892194 unique returns and 0 duplicate returns | Rectangular area = 0.875 km2 Data area = 0.874 km2 *percent double coverage = 99.913 **low-curvature dc area = 0.000 km2 | details return classification P1 = 8.9 cm, P2 = 125.9 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 0.440 95p = 1.063, 98p = 1.210, 99.5p = 1.612  consistency legend | Ground-return consistency BE RMSE = 1.988 95p = 3.979, 98p = 6.281, 99.5p = 10.123   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |