| ps2491 d:\northps\block456-14jan08\ps2491.txt 15 Jan 08 22:59:54 Tuesday elapsed time 00:11:13 1801564 unique returns and 0 duplicate returns | Rectangular area = 0.875 km2 Data area = 0.874 km2 *percent double coverage = 80.243 **low-curvature dc area = 0.060 km2 | details return classification P1 = 32.6 cm, P2 = 135.6 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 2.148 95p = 3.490, 98p = 3.732, 99.5p = 4.030  consistency legend | Ground-return consistency BE RMSE = 1.491 95p = 2.925, 98p = 4.141, 99.5p = 6.349   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |