| ps4925 d:\northps\block456-14jan08\ps4925.txt 17 Jan 08 09:30:27 Thursday elapsed time 00:04:31 629215 unique returns and 0 duplicate returns | Rectangular area = 0.875 km2 Data area = 0.544 km2 *percent double coverage = 4.898 **low-curvature dc area = 0.001 km2 | details return classification P1 = 17.6 cm, P2 = 99.8 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 1.139 95p = 2.204, 98p = 2.746, 99.5p = 3.218  consistency legend | Ground-return consistency BE RMSE = 3.654 95p = 7.184, 98p = 12.985, 99.5p = 21.032   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |