| ps0997 d:\northps\block123-14dec07\ps0997.txt 14 Dec 07 22:22:56 Friday elapsed time 00:09:50 2256633 unique returns and 0 duplicate returns | Rectangular area = 0.875 km2 Data area = 0.868 km2 *percent double coverage = 90.500 **low-curvature dc area = 0.072 km2 | details return classification P1 = 75.5 cm, P2 = 106.9 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 2.793 95p = 4.088, 98p = 4.338, 99.5p = 4.748  consistency legend | Ground-return consistency BE RMSE = 1.089 95p = 2.216, 98p = 3.023, 99.5p = 4.601   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |