| ps1933 d:\northps\block123-14dec07\ps1933.txt 15 Dec 07 06:50:59 Saturday elapsed time 00:07:03 1994606 unique returns and 0 duplicate returns | Rectangular area = 0.875 km2 Data area = 0.874 km2 *percent double coverage = 75.636 **low-curvature dc area = 0.019 km2 | details return classification P1 = 7.7 cm, P2 = 124.7 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 1.011 95p = 2.175, 98p = 2.567, 99.5p = 3.003  consistency legend | Ground-return consistency BE RMSE = 2.633 95p = 4.500, 98p = 8.326, 99.5p = 16.294   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |