| ps1489 d:\northps\block123-14dec07\ps1489.txt 15 Dec 07 03:14:24 Saturday elapsed time 00:06:27 1964745 unique returns and 0 duplicate returns | Rectangular area = 0.875 km2 Data area = 0.874 km2 *percent double coverage = 75.707 **low-curvature dc area = 0.000 km2 | details return classification P1 = 11.0 cm, P2 = 81.6 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 0.512 95p = 0.898, 98p = 1.028, 99.5p = 1.193  consistency legend | Ground-return consistency BE RMSE = 2.027 95p = 4.150, 98p = 5.733, 99.5p = 8.200   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |