| ps2431 d:\northps\block456-14jan08\ps2431.txt 15 Jan 08 22:36:53 Tuesday elapsed time 00:13:50 1726994 unique returns and 0 duplicate returns | Rectangular area = 0.875 km2 Data area = 0.874 km2 *percent double coverage = 99.857 **low-curvature dc area = 0.008 km2 | details return classification P1 = 20.8 cm, P2 = 143.2 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 1.052 95p = 2.169, 98p = 2.574, 99.5p = 3.020  consistency legend | Ground-return consistency BE RMSE = 2.670 95p = 5.120, 98p = 7.789, 99.5p = 13.006   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |