ALTM Galaxy PRIME

Compact, high-performance lidar sensor provides industry-leading collection efficiency and point density in all terrains

The new Galaxy PRIME is the next evolution of the popular Galaxy wide-area/corridor Lidar mapping platform that includes the advanced and unique PulseTRAK and SwathTRAK productivity feature sets. An innovative “boost mode” increases range performance, and an expanded range of motion for the dynamic FOV used by SwathTRAK ensures that the Galaxy PRIME is quite simply the most versatile, highest-performing, and most productive sensor on the market.

Teledyne Geospatial

Vaughan, CA

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Description

The new Galaxy PRIME is the next evolution of the popular Galaxy wide-area/corridor lidar mapping platform that incudes the advanced and unique PulseTRAK™ and SwathTRAK™ productivity feature sets. An innovative “boost mode” increases range performance, and an expanded range of motion for the dynamic FOV used by SwathTRAK™ ensures that the Galaxy PRIME is quite simply the most versatile, highest-performing, and most productive sensor on the market, no matter the type of terrain you survey. Coupled with its compact form factor, the Galaxy PRIME offers maximum application and platform flexibility.

Core to Galaxy PRIME is a significant increase in collection efficiency — as much as 50% over competing fixed FOV sensors —when using Galaxy PRIME's SwathTRAK technology. SwathTRAK dynamically adjusts the Galaxy’s scan FOV in real time during data acquisition, enabling fixed-width data swaths and constant point density, even in highly variable terrain — effectively enabling you to survey steep mountains as if they were flat! The result is far fewer flightlines to collect and process, and a consistent point distribution whether on hill peaks or valley bottoms — in fact, the steeper the terrain, the greater the project cost savings.

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Specifications

General: Year of introduction

2015

Year of last update

2020

Total Weight [kg]

35

Power requirements

28V; 300W

Type of GNSS/INS positioning system

Applanix AP60

Camera

PhaseOne iXM-RS150

Data storage facilities

Internal SSD (1 TB); removable external SSD (1 TB)

Mission planning software

FMS-MIssion Manager

Postprocessing software

Lidar Mappng SUite

Application: Main applications

high-density mountain surveying; floodplain mapping; corridor; urban

Measurement Characteristics: Scan frequency [Hz]

120

Min. pulse frequency [Hz]

50,000

Max. pulse frequency [Hz]

1,000,000

Max. field of view [deg]

60

Max. number of recorded echoes per pulse

8

Full-wave form digitization

Y

Pulse sampling frequency [GHz]

1

multiple pulses in air

Y

Recording of intensity of return signal [bits]

12

Operation Characteristics: Platform

Helicopter, Fixed-wing, Gyroplane

Min. flying height [m]

240

Max. flying height [m]

6000

Laser Pulse Characteristics: Wavelength [nm]

1064

Standard pulse length [ns]

3.5

Beam divergence [mrad]

0.25

Type/class laser

IV

Eyesafe range [m]

240m (low power; 1000 kHz)

More information: Distinguishable features

SwathTRAK (dynamic FOV); built-in roll compensation; industry-leading measurement precision; discrete (8 returns) and full wavefrom capability (unlimited returns); PulseTRAK (full coverage across MTA/MPiA blindzones, without data interpolation)

Uncertainty and resolution: Pitch and roll pointing precision [deg]

0.005

Heading pointing precision [deg]

0.008

Elevation precision at 1 km [m]

0.03

Planimetric precision at 1km [cm]

10