| ps3169 d:\northps\block456-14jan08\ps3169.txt 16 Jan 08 09:51:25 Wednesday elapsed time 00:21:24 3651416 unique returns and 0 duplicate returns | Rectangular area = 0.877 km2 Data area = 0.875 km2 *percent double coverage = 99.740 **low-curvature dc area = 0.001 km2 | details return classification P1 = 8.1 cm, P2 = 49.0 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 0.228 95p = 0.455, 98p = 0.519, 99.5p = 0.615  consistency legend | Ground-return consistency BE RMSE = 2.659 95p = 5.269, 98p = 7.752, 99.5p = 12.540   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |