| ps4469 d:\northps\consistency\ps4469.txt 27 Jan 08 08:50:24 Sunday elapsed time 00:04:01 574362 unique returns and 0 duplicate returns | Rectangular area = 0.875 km2 Data area = 0.695 km2 *percent double coverage = 57.065 **low-curvature dc area = 0.182 km2 | details return classification P1 = 21.1 cm, P2 = 133.6 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 0.781 95p = 1.474, 98p = 1.626, 99.5p = 1.822  consistency legend | Ground-return consistency BE RMSE = 0.808 95p = 1.493, 98p = 2.463, 99.5p = 4.239   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |