| ps1813 d:\northps\block123-14dec07\ps1813.txt 15 Dec 07 06:13:58 Saturday elapsed time 00:07:25 2010945 unique returns and 0 duplicate returns | Rectangular area = 0.875 km2 Data area = 0.873 km2 *percent double coverage = 99.885 **low-curvature dc area = 0.002 km2 | details return classification P1 = 10.2 cm, P2 = 90.3 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 0.489 95p = 0.911, 98p = 1.063, 99.5p = 1.311  consistency legend | Ground-return consistency BE RMSE = 1.820 95p = 3.620, 98p = 5.244, 99.5p = 8.119   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |