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Large-Scale 3D GPR Mapping

MALÅ MIRA HDR

A high-speed, one-pass 3D GPR array for large-area mapping, utility corridors, archaeology, road investigation and advanced site screening where dense subsurface coverage is the priority.

Best fitLarge, open survey areas needing dense 3D mapping in fewer passes.

500 MHzStandard MIRA 500 HDR antenna frequency

22 / 132Standard channels / maximum data channels

140 cmScan width for wide, one-pass coverage

6.5 cmChannel spacing for dense 3D detail

Quick Decision Guide

Use MIRA HDR When Coverage And 3D Resolution Matter More Than Portability.

MIRA HDR is not just a bigger GPR. It is a survey platform for teams that need broad, repeatable 3D coverage and enough channel density to make large subsurface datasets useful.

Choose MIRA HDR when the area is too large for single-line GPR.

It is built for high-speed, one-pass 3D mapping where coverage, repeatability and dense channel spacing matter.

Choose a smaller system when access is tight or the survey is localised.

MIRA Compact, Ground Explorer GX or Easy Locator may be more practical for small rooms, narrow access and quick spot checks.

Plan positioning and carrier setup before the quote.

The best configuration depends on survey surface, speed, RTK or total station input, and whether the system is pushed or pulled.

Configuration Flow

Specify The Array, Carrier, Positioning And Software Together.

The right MIRA HDR quotation is a complete workflow, not only an antenna array. These four decisions usually define whether the system will perform well on site.

Core System

Array

MIRA 500 HDR array with 11 transmitters and 12 receivers in the standard setup, normally collecting 22 channels.

Field Setup

Carrier

Use a field trailer for large grass or agricultural sites, front-mounted options for vehicle workflows, or project-specific adaptations.

Survey Control

Positioning

Supports major RTK GPS and total station inputs, with GPS time synchronization for accurate survey positioning.

Workflow

Software

MIRA Controller handles acquisition and QA/QC in the field, then data can move into MALA Vision and other interpretation workflows.

Carrier Choice

Match The Carrier To The Surface And Survey Speed.

Carrier choice controls productivity and data quality. Open fields, roads, towable sites and constrained access each call for a different setup discussion.

Best for open, towable sites

Field Trailer

Designed for the MIRA HDR multi-channel array and optimized for agricultural land or grass fields where an ATV or vehicle can tow the system.

30 km/h recommended survey speed
Floating design for ground contact
Built-in pulse encoder

Best for vehicle-led road or site workflows

Front-Mounted

Useful when the survey plan benefits from vehicle integration, clear navigation and consistent large-area coverage.

Vehicle workflow
Large coverage rate
Configuration reviewed per site

Why It Produces Useful Data

Dense Channels, HDR Sampling And Field QA Work As One System.

High Dynamic Range GPR

MALÅ HDR real-time sampling lowers the noise floor, improves bandwidth and helps produce sharper, higher-contrast GPR data.

Large-Area Productivity

A wide array, dense channel spacing and high-speed collection help teams cover large survey areas with fewer passes.

32-Bit Data At Speed

The system is designed to collect 32-bit output even at highway-style survey speeds when the carrier and site conditions allow it.

Integrated QA/QC

MIRA Controller gives field teams navigation aids and performance tracking so survey quality can be monitored while collecting.

Application Fit

Where MIRA HDR Makes The Most Sense.

Large area mappingUtility mappingArchaeologyRoad investigationUnderground storage tank detectionUXO-style investigationSinkhole detectionBedrock mappingClandestine gravesGeneral site investigation

Specifications

Core MIRA HDR System Specs

Final performance depends on site conditions, carrier setup, positioning quality and acquisition parameters. RD-Palmer can help translate these specs into a practical field workflow.

System type	High-speed, one-pass 3D GPR array
Standard antenna	MIRA 500 HDR
Standard antenna frequency	500 MHz
Control unit	MALÅ MIRA HDR
Standard array setup	11 transmitters, 12 receivers, normally 22 data channels
Maximum data channels	Up to 132
Channel spacing	6.5 cm
Scan width	140 cm / 4.6 ft
Suitable target depth	0-5 m / 0-17 ft
Data output	32 bit
Communication	Gigabit Ethernet
Positioning input	Supports major RTK GPS and total stations
Dimensions	171 x 61 x 37 cm including handles
Weight	54 kg / 119 lb
Power consumption	150 W
Environmental rating	IP65
Certification	EC, FCC, IC