| ps1609 d:\northps\block123-14dec07\ps1609.txt 15 Dec 07 04:21:24 Saturday elapsed time 00:06:50 2092893 unique returns and 0 duplicate returns | Rectangular area = 0.875 km2 Data area = 0.874 km2 *percent double coverage = 77.224 **low-curvature dc area = 0.018 km2 | details return classification P1 = 5.9 cm, P2 = 113.8 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 0.494 95p = 1.019, 98p = 1.454, 99.5p = 2.070  consistency legend | Ground-return consistency BE RMSE = 2.460 95p = 5.322, 98p = 8.040, 99.5p = 12.604   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |