| ps3409 d:\northps\block123-14dec07\ps3409.txt 26 Dec 07 11:44:56 Wednesday elapsed time 00:07:12 1889168 unique returns and 0 duplicate returns | Rectangular area = 0.875 km2 Data area = 0.874 km2 *percent double coverage = 99.954 **low-curvature dc area = 0.078 km2 | details return classification P1 = 10.6 cm, P2 = 139.0 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 0.521 95p = 0.909, 98p = 1.120, 99.5p = 1.901  consistency legend | Ground-return consistency BE RMSE = 1.848 95p = 3.660, 98p = 5.150, 99.5p = 8.005   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |