| ps3471 d:\northps\block456-14jan08\ps3471.txt 16 Jan 08 14:19:37 Wednesday elapsed time 00:08:04 1796527 unique returns and 0 duplicate returns | Rectangular area = 0.876 km2 Data area = 0.873 km2 *percent double coverage = 98.575 **low-curvature dc area = 0.007 km2 | details return classification P1 = 28.6 cm, P2 = 143.7 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 0.855 95p = 1.444, 98p = 1.823, 99.5p = 2.361  consistency legend | Ground-return consistency BE RMSE = 4.172 95p = 8.153, 98p = 12.474, 99.5p = 20.775   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |