| ps2236 d:\northps\block123-14dec07\ps2236.txt 15 Dec 07 08:38:05 Saturday elapsed time 00:06:38 1926200 unique returns and 0 duplicate returns | Rectangular area = 0.876 km2 Data area = 0.874 km2 *percent double coverage = 80.208 **low-curvature dc area = 0.002 km2 | details return classification P1 = 13.7 cm, P2 = 200.0 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 1.293 95p = 1.975, 98p = 2.232, 99.5p = 2.488  consistency legend | Ground-return consistency BE RMSE = 2.334 95p = 4.984, 98p = 6.593, 99.5p = 9.607   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |