ALTM 2050Airborne Laser Terrain Mapper

ALTM 2050

THE ULTIMATE IN PERFORMANCE

ALTM 2050 Spec i f i ca t ions

Airborne Module

Operating altitude 210 - 2,000 m nominal

Elevation accuracy 15 cm at 1,200 m; 25 cm at 2,000 m (1 sigma)

Range resolution 1 cm

Scan angle Variable from 0 to ± 20°

Swath width Variable from 0 to 0.72 x altitude

Scan frequency 0 - 70 Hz, depending on scan angle (e.g., 40 Hz at ± 20°)

Horizontal accuracy Better than 1/2,000 x altitude

Position Orientation System Applanix - Optech Custom

GPS receiver Novatel Millennium (optional Trimble 750)

Laser repetition rate 50 kHz

Data storage Removable hard drive (optional digital 8 mm data tape)

Beam divergence Dual: 0.2 mrad (1/e) or 1.0mrad (1/e)

Laser classification Class IV (FDA CFR 21)

Eyesafe range (unaided) 210 m @ 1.0 mrad, 760 m @ 0.2 mrad nominal

Power requirements 28 VDC, 26 A average, 35 A peak

Operating temperature 10 - 35° C

Humidity 0 - 95% non-condensing

Sensor

Fits standard camera mounts or mounts directly to floor

Overall dimensions/weight (in-flight) 25 W x 32 in flight direction

x 56 H cm/18 kg

Minimum opening 16.5 x 22.8 (flight direction) cm

Shipping case 67 x 64 x 82 cm @ 59 kg

Control Racks

Two, each in a stackable, vibration-isolated case

POS/Laser:

Dimensions/weight (in-flight) 59 W x 57 L x 40 H cm/42 kg

Shipping case 76 x 64 x 47 cm @ 65 kg

VME Computer:

Dimensions/weight (in-flight) 59 W x 44 L x 49 H cm/43 kg

including cables

Video output NTSC or PAL (annotated video out)

Shipping case 70 x 64 x 56 cm @ 56 kg

Processing Software

REALM Survey Suite Differential kinematic GPS solution

Trajectory optimization from multiple base-stations

XYZ point calculations module

Vegetation removal feature extraction/classification

Windows NT/2000 compatible

GPS Ground Support

Multiple base stations Sercel NR103T, Trimble 4000/7400, Ashtech Z12 or other Rinex 2.0 compliant device

Available Option

Digital camera Integrated metric digital 4k x 4k frame camera

Specifications subject to change without notice.

The ALTM 2050 gathers 50,000 postings per second at altitudes of up to 2,000 meters.

100 Wi ldca t Road • Toron to , ON • Canada M3J 2Z9

Te l : [416] 661-5904 • Fax: [416] 661-4168

Web: www.optech.on.ca • Emai l : sa les@optech.on.ca

Image: Don Valley Parkway,

Toronto, Ontario

© Copyright 2002, Optech Incorporated. All rights reserved.