| ps1249 d:\northps\block123-14dec07\ps1249.txt 15 Dec 07 00:43:39 Saturday elapsed time 00:06:28 1912037 unique returns and 0 duplicate returns | Rectangular area = 0.875 km2 Data area = 0.872 km2 *percent double coverage = 75.300 **low-curvature dc area = 0.003 km2 | details return classification P1 = 106.9 cm, P2 = 83.7 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 3.459 95p = 3.965, 98p = 4.093, 99.5p = 4.379  consistency legend | Ground-return consistency BE RMSE = 2.572 95p = 5.060, 98p = 6.416, 99.5p = 8.276   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |