| ps0229 d:\northps\block123-14dec07\ps0229.txt 14 Dec 07 14:49:20 Friday elapsed time 00:08:37 1985887 unique returns and 0 duplicate returns | Rectangular area = 0.875 km2 Data area = 0.873 km2 *percent double coverage = 99.937 **low-curvature dc area = 0.600 km2 | details return classification P1 = 13.9 cm, P2 = 98.8 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 0.621 95p = 1.093, 98p = 1.225, 99.5p = 1.392  consistency legend | Ground-return consistency BE RMSE = 0.556 95p = 0.837, 98p = 1.205, 99.5p = 2.511   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |