| ps4861 d:\northps\block456-14jan08\ps4861.txt 17 Jan 08 07:23:40 Thursday elapsed time 00:24:42 4175727 unique returns and 0 duplicate returns | Rectangular area = 0.876 km2 Data area = 0.874 km2 *percent double coverage = 99.921 **low-curvature dc area = 0.226 km2 | details return classification P1 = 7.6 cm, P2 = 38.3 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 0.270 95p = 0.546, 98p = 0.694, 99.5p = 0.931  consistency legend | Ground-return consistency BE RMSE = 0.908 95p = 1.995, 98p = 2.802, 99.5p = 4.018   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |