| ps3869 d:\northps\block123-14dec07\ps3869.txt 15 Dec 07 16:16:31 Saturday elapsed time 00:08:02 1953676 unique returns and 0 duplicate returns | Rectangular area = 0.875 km2 Data area = 0.874 km2 *percent double coverage = 93.745 **low-curvature dc area = 0.018 km2 | details return classification P1 = 12.8 cm, P2 = 73.2 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 0.600 95p = 1.126, 98p = 1.296, 99.5p = 1.534  consistency legend | Ground-return consistency BE RMSE = 1.217 95p = 2.408, 98p = 3.674, 99.5p = 5.989   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |