Table 2 Laser system parameters

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%