| ps2868 d:\northps\block456-14jan08\ps2868.txt 16 Jan 08 04:57:49 Wednesday elapsed time 00:15:00 2942641 unique returns and 0 duplicate returns | Rectangular area = 0.877 km2 Data area = 0.874 km2 *percent double coverage = 58.581 **low-curvature dc area = 0.013 km2 | details return classification P1 = 7.1 cm, P2 = 42.9 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 0.571 95p = 1.052, 98p = 1.206, 99.5p = 1.402  consistency legend | Ground-return consistency BE RMSE = 3.370 95p = 3.509, 98p = 7.691, 99.5p = 22.071   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |