| ps5231 d:\northps\block456-14jan08\ps5231.txt 17 Jan 08 19:44:26 Thursday elapsed time 00:11:16 2672532 unique returns and 0 duplicate returns | Rectangular area = 0.877 km2 Data area = 0.874 km2 *percent double coverage = 99.906 **low-curvature dc area = 0.026 km2 | details return classification P1 = 6.1 cm, P2 = 71.9 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 0.298 95p = 0.617, 98p = 0.770, 99.5p = 0.989  consistency legend | Ground-return consistency BE RMSE = 0.825 95p = 1.773, 98p = 2.436, 99.5p = 3.505   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |