| ps2453 d:\northps\block123-14dec07\ps2453.txt 15 Dec 07 09:36:03 Saturday elapsed time 00:07:06 2030635 unique returns and 0 duplicate returns | Rectangular area = 0.875 km2 Data area = 0.874 km2 *percent double coverage = 99.042 **low-curvature dc area = 0.003 km2 | details return classification P1 = 18.9 cm, P2 = 125.5 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 0.584 95p = 1.043, 98p = 1.318, 99.5p = 1.689  consistency legend | Ground-return consistency BE RMSE = 2.349 95p = 4.845, 98p = 6.860, 99.5p = 10.328   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |