| ps1753 d:\northps\block123-14dec07\ps1753.txt 15 Dec 07 05:36:22 Saturday elapsed time 00:08:27 1991222 unique returns and 0 duplicate returns | Rectangular area = 0.875 km2 Data area = 0.874 km2 *percent double coverage = 99.999 **low-curvature dc area = 0.466 km2 | details return classification P1 = 13.4 cm, P2 = 75.0 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 0.462 95p = 0.909, 98p = 1.067, 99.5p = 1.265  consistency legend | Ground-return consistency BE RMSE = 0.396 95p = 0.751, 98p = 0.986, 99.5p = 1.433   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |