| ps2660 d:\northps\block456-14jan08\ps2660.txt 16 Jan 08 01:13:20 Wednesday elapsed time 00:14:21 1917816 unique returns and 0 duplicate returns | Rectangular area = 0.875 km2 Data area = 0.874 km2 *percent double coverage = 77.503 **low-curvature dc area = 0.041 km2 | details return classification P1 = 42.3 cm, P2 = 67.8 cm | 
| 1st-return consistency 1st-return RMSE, low-curvature areas = 1.123 95p = 1.740, 98p = 1.935, 99.5p = 2.202  consistency legend | Ground-return consistency BE RMSE = 2.286 95p = 4.029, 98p = 5.944, 99.5p = 10.454   | 1st-return density  ground-return density  density legend ratio ground returns to 1st returns  ratio legend |