| ps2009 d:\northps\block123-14dec07\ps2009.txt 15 Dec 07 07:21:02 Saturday elapsed time 00:08:31 2089827 unique returns and 0 duplicate returns | Rectangular area = 0.875 km2 Data area = 0.874 km2 *percent double coverage = 99.812 **low-curvature dc area = 0.180 km2 | details return classification P1 = 19.0 cm, P2 = 98.3 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 0.596 95p = 1.016, 98p = 1.182, 99.5p = 1.397  consistency legend | Ground-return consistency BE RMSE = 1.182 95p = 2.400, 98p = 3.419, 99.5p = 5.369   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |