ALTM GEMINI

Operating altitude :
150 to 4,000m nominal

Horizontal accuracy : 1/5,500 x altitude; 1-sigma

Range capture : Up to 4 range measurements for each pulse, including last

Intensity capture : 12-bit dynamic range for each mesurement

Scan frequency : Variable 70 Hz, Optional 100 Hz

Scan angle :
Variable from 0 to +/- 25º, in increments of +/- 1º

Scanner product : Scan angle x scan frequance < 1000

Roll compensation : 5 Hz Update rate,
(scan angle + roll comp angle = 30º)
(+/- 20º scan allows +/- 10º compensation)

Laser rep rate (kHz)

500m altitude

1000m altitude

2000m altitude

3000m altitude

4000m altitude

33
50
70
100

<5 cm
<5 cm
<5 cm
<10 cm

<10 cm
<10 cm
<10 cm
<10 cm

<15 cm
<15cm
<15 cm
<15 cm

<20 cm
<20 cm
N/A
N/A

<25 cm
N/A
N/A
N/A


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