| ps4024 d:\northps\block456-14jan08\ps4024.txt 16 Jan 08 19:57:55 Wednesday elapsed time 00:06:48 1793695 unique returns and 0 duplicate returns | Rectangular area = 0.875 km2 Data area = 0.874 km2 *percent double coverage = 40.199 **low-curvature dc area = 0.095 km2 | details return classification P1 = 7.7 cm, P2 = 73.5 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 0.805 95p = 1.765, 98p = 2.164, 99.5p = 2.595  consistency legend | Ground-return consistency BE RMSE = 1.397 95p = 2.595, 98p = 3.930, 99.5p = 6.346   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |