| ps4554 d:\northps\block456-14jan08\ps4554.txt 17 Jan 08 02:16:56 Thursday elapsed time 00:07:06 1633908 unique returns and 0 duplicate returns | Rectangular area = 0.877 km2 Data area = 0.815 km2 *percent double coverage = 46.029 **low-curvature dc area = 0.118 km2 | details return classification P1 = 10.4 cm, P2 = 54.8 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 0.428 95p = 0.743, 98p = 0.862, 99.5p = 1.078  consistency legend | Ground-return consistency BE RMSE = 1.112 95p = 2.206, 98p = 3.367, 99.5p = 5.777   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |