| ps4000 d:\northps\block456-14jan08\ps4000.txt 16 Jan 08 19:29:02 Wednesday elapsed time 00:07:02 1877388 unique returns and 0 duplicate returns | Rectangular area = 0.875 km2 Data area = 0.874 km2 *percent double coverage = 99.406 **low-curvature dc area = 0.007 km2 | details return classification P1 = 125.2 cm, P2 = 55.3 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 4.158 95p = 5.395, 98p = 5.976, 99.5p = 6.577  consistency legend | Ground-return consistency BE RMSE = 3.969 95p = 7.672, 98p = 11.018, 99.5p = 17.258   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |