Table 2 Laser system parameters
| Parameter | Specification |
|---|---|
| Positioning system | POS AV™ 510 (OEM) - GNSS/L-Band receiver |
| Horizontal accuracy | ≤50 cm (1:1000 scale; PEC “A”); 1σ |
| Vertical accuracy | ≤15 cm; 1σ |
| System frequency (PRF) | 50 kHz |
| Scan frequency | 25 Hz |
| Scan angle (FOV) | ≤20° |
| Data recording | first/last mode (up to 2 returns per pulse) |
| Average flight altitude | 1600 m a.s.l. |
| Beam divergence | 0.25 mrad (1/e) |
| Overlap between flight lines | 30% |