| ps4659 d:\northps\block456-14jan08\ps4659.txt 17 Jan 08 03:42:16 Thursday elapsed time 00:06:26 1684493 unique returns and 0 duplicate returns | Rectangular area = 0.875 km2 Data area = 0.870 km2 *percent double coverage = 98.379 **low-curvature dc area = 0.034 km2 | details return classification P1 = 17.1 cm, P2 = 106.7 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 0.456 95p = 0.877, 98p = 1.097, 99.5p = 1.097  consistency legend | Ground-return consistency BE RMSE = 3.485 95p = 6.864, 98p = 10.581, 99.5p = 17.598   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |