| ps2891 d:\northps\block123-14dec07\ps2891.txt 15 Dec 07 12:18:33 Saturday elapsed time 00:08:07 1774838 unique returns and 0 duplicate returns | Rectangular area = 0.875 km2 Data area = 0.874 km2 *percent double coverage = 99.643 **low-curvature dc area = 0.039 km2 | details return classification P1 = 35.3 cm, P2 = 100.9 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 1.187 95p = 1.935, 98p = 2.131, 99.5p = 2.393  consistency legend | Ground-return consistency BE RMSE = 2.929 95p = 6.089, 98p = 8.571, 99.5p = 12.659   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |