| ps2499 d:\northps\block456-14jan08\ps2499.txt 15 Jan 08 23:12:43 Tuesday elapsed time 00:12:30 1814446 unique returns and 0 duplicate returns | Rectangular area = 0.875 km2 Data area = 0.872 km2 *percent double coverage = 34.028 **low-curvature dc area = 0.078 km2 | details return classification P1 = 10.4 cm, P2 = 45.1 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 0.731 95p = 1.252, 98p = 1.674, 99.5p = 3.483  consistency legend | Ground-return consistency BE RMSE = 1.763 95p = 2.570, 98p = 4.803, 99.5p = 10.483   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |