| ps0589 d:\northps\block123-14dec07\ps0589.txt 14 Dec 07 18:17:18 Friday elapsed time 00:07:59 2046081 unique returns and 0 duplicate returns | Rectangular area = 0.875 km2 Data area = 0.874 km2 *percent double coverage = 99.933 **low-curvature dc area = 0.188 km2 | details return classification P1 = 15.5 cm, P2 = 100.6 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 0.528 95p = 1.056, 98p = 1.212, 99.5p = 1.405  consistency legend | Ground-return consistency BE RMSE = 1.011 95p = 1.872, 98p = 2.815, 99.5p = 4.928   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |