| ps4201 d:\northps\block123-14dec07\ps4201.txt 15 Dec 07 18:02:55 Saturday elapsed time 00:14:50 3446532 unique returns and 0 duplicate returns | Rectangular area = 0.877 km2 Data area = 0.874 km2 *percent double coverage = 99.966 **low-curvature dc area = 0.012 km2 | details return classification P1 = 16.5 cm, P2 = 32.1 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 1.079 95p = 2.089, 98p = 2.348, 99.5p = 2.871  consistency legend | Ground-return consistency BE RMSE = 2.498 95p = 5.164, 98p = 7.150, 99.5p = 10.630   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |