| ps0313 d:\northps\block123-14dec07\ps0313.txt 14 Dec 07 15:47:24 Friday elapsed time 00:06:55 1882049 unique returns and 0 duplicate returns | Rectangular area = 0.875 km2 Data area = 0.874 km2 *percent double coverage = 99.831 **low-curvature dc area = 0.141 km2 | details return classification P1 = 40.6 cm, P2 = 78.3 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 1.180 95p = 1.732, 98p = 1.874, 99.5p = 2.076  consistency legend | Ground-return consistency BE RMSE = 1.485 95p = 2.822, 98p = 3.697, 99.5p = 5.484   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |