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ALTM Galaxy

Product Name:ALTM Galaxy
Description:Galaxy is the next generation of airborne solutions, packing more power and accuracy into a tiny footprint than any other sensor. Designed for everything from wide-area mapping to corridor surveys, Galaxy is truly a universal sensor that rivals larger systems with its ultra-dense data and industry-leading measurement precision and accuracy. If there was ever one sensor that does it all, Galaxy is it.
Year of introduction:2014
Year of last update:2016
Total weight [kg]:27
Power requirements:300 W
Type of GNSS/INS positioning system:POSAV AP60
Camera:Can support up to 6 cameras simultaneously
Data storage facilities:Internal SSD + External, removable, ruggedized SSD
Mission planning software:Optech FMS with realtime LAS and XYZIpoint display
Postprocessing software:Optech LMS (auto lidar /camera boresight/calibrati
Laser Pulse Characteristics 
Wavelength [nm]:1064
Standard pulse length [ns]:3
Pulse length variation [ns]:0
Beam divergence [mrad]:0.25
Type/class laser:IV
Eyesafe range [m]:150
Measurement Characteristics  
Scanning method :scanning galvo
Scan frequency [Hz]:120
Min. pulse frequency [Hz]:35000
Max. pulse frequency [Hz]:550000
Max. field of view [deg]:60
Max. number of recorded echoes per pulse:8 x XYZI (waveform record not required)
Full-wave form digitization:Y
Pulse sampling frequency [GHz]:1
Recording of intensity of return signal [bits]:12
Multiple pulses in air:Y
Uncertainty and resolution 
Pitch and roll pointing precision [deg]:0.0025
Heading pointing precision [deg]:0.0050
Elevation precision at 1 km [m]:0.03
Planimetric precision at 1km [cm]:10
Across-track point spacing at 1km [m]:0.10
Operation Characteristics 
Platform:Helicopter, Fixed-wing, Gyroplane
Min. flying height [m]:150
Max. flying height [m]:4700
Max. acquisition time [hr]:20
Main applications:Wide-area mapping, urban modeling, powerline surveying, transportation corridor, Infrastructure modeling, defense and security
More information 
Distinguishable features :Ultra-compact, high-performance mapping sensor; PulseTRAK technology (eliminates PIA data gaps); SwathTRAK technology (fixed-width swaths in varioable terrain enables significantly fewer flight lines and predictable point distribution); 8-returns for improved vertical resolution Optional full-waveform; Compatible with gyro-stabilized mount; Pod options; Multi-sensor mount options

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