| ps4562 d:\northps\block456-14jan08\ps4562.txt 17 Jan 08 02:23:17 Thursday elapsed time 00:06:09 1899398 unique returns and 0 duplicate returns | Rectangular area = 0.877 km2 Data area = 0.874 km2 *percent double coverage = 82.408 **low-curvature dc area = 0.061 km2 | details return classification P1 = 61.8 cm, P2 = 113.7 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 1.590 95p = 2.724, 98p = 3.444, 99.5p = 4.485  consistency legend | Ground-return consistency BE RMSE = 1.953 95p = 3.606, 98p = 4.727, 99.5p = 7.018   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |