| ps4538 d:\northps\block456-14jan08\ps4538.txt 17 Jan 08 01:54:27 Thursday elapsed time 00:10:50 2344898 unique returns and 0 duplicate returns | Rectangular area = 0.877 km2 Data area = 0.843 km2 *percent double coverage = 95.345 **low-curvature dc area = 0.121 km2 | details return classification P1 = 13.8 cm, P2 = 56.3 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 0.973 95p = 1.787, 98p = 1.907, 99.5p = 2.047  consistency legend | Ground-return consistency BE RMSE = 1.144 95p = 2.102, 98p = 3.234, 99.5p = 5.711   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |