Ground Penetrating Radar (GPR) systems - GSSI


StructureScan™ Mini XT

  • Overview
  • Benefits
  • Data Examples
  • Specifications
  • Software
  • LineTrac XT Accessory

The StructureScan Mini XT is GSSI’s newest generation of our very popular all-in-one GPR systems. The StructureScan Mini XT offers a 2.7 GHz antenna for superior target resolution and can reach depths of 20 inches (50 cm). Ideal for locating rebar, conduits, post-tension cables, voids, and real time determination of concrete slab thickness.

Typical Uses for StructureScan Mini Include:

  • Concrete inspection – locate metallic and non-metallic targets in walls, floors and ceilings
  • Structure inspection – bridges, monuments, walls, towers, tunnels, balconies, garages, decks
  • Condition assessment – map relative concrete condition for rehab planning
  • Measure slab thickness
  • Void location

More information:
StructureScan Mini XT Brochure

High Frequency, High-Resolution Concrete Antenna

  • The StructureScan Mini XT employs a new 2.7 GHz antenna positioned 8 mm off the surface, providing additional ground clearance which allows the antenna to be used over rough concrete surfaces. This antenna provides excellent near surface resolution while also maintaining the ability to resolve deeper targets.

Enhanced Data Visualization

  • Get first-in-class data visualization with a state-of-the-art 6.5 inch HD touchscreen user interface and different operation modes designed for beginner to advanced use.
  • Use QuickScan to collect data with the push of one button, or select any of the app-based data collection options including ScanMax and Scan3D for advanced data interpretation.
  • The StructureScan Mini XT makes it easy to customize the data display with a variety of color adjustments. Real-time migrated data, onscreen reference markers, real-time signal floor indicator are also available.

Forward Thinking Design

  • Incorporated into the design are three accessory ports that allow for future expansion. The extension pole accessory offers added length and six-button remote operation, ideal for walking and wall surveys.

StructureScan Mini XT user interface illustrating the Standard mode of operation.


Data illustrates several metallic targets at various depths collected in Standard mode using the ScanEz application. Red dots and crosshair identify user marked targets.


StructureScan Mini XT 3D data example

Survey of a standard 2 x 2 grid.
Data illustrates two metallic targets at varying depths,
with one target crossing the other in a 45 degree angle.

Systems Include

  • All-in-one control unit, 2700 MHz antenna and survey wheel combo
  • Dual battery charger
  • Two batteries
  • Rugged carrying case
  • Quick Start Guide
  • Sample 3D data collection grid pack


  • Memory: 14.5 GB
  • Display: 6.5" HD touchscreen (1024x768)
  • Battery: 2.5 hours
  • Environmental: Water-resistant and dust proof (IP-65 rating)
  • Languages: English, Spanish, French
  • Weight: 1.8 kg (4 lbs)

GSSI offers several optional software packages that allow users to post-process StructureScan Mini data for further interpretation.

RADAN™ for StructureScan Mini

RADAN for StructureScan Mini is a post-processing software package for the StructureScan Mini Series. It is designed to process, view, and document 2D and 3D data collected with the StructureScan Mini and StructureScan Mini HR. The software features bold and intuitive menu screens and clear data views for easy interpretation and enhanced post-processing capabilities.

Data Processing And Annotation

  • Processing of 3D data sets collected with the StructureScan Mini and Mini HR
  • 3D target input – customize size and color of targets
  • Virtual 3D borehole
  • Multiple color table and transform options
  • Windows® 7 based user-interface


  • Background Removal filtering
  • Data Migration (focusing)
  • Gain (Contrast) Control
  • Use Ground Truth for accurate depth calculations

Report Building

  • Report Writer – custom report output using MS Excel
  • Copy data images to third party software for documentation purposes
  • Add targets as colored circles and export target information in an Excel format
  • Save data images as a JPG file
  • Print to all Windows supported printers

RADAN for StructureScan Mini 2D data example

Data illustrates a volumetric view of a rebar mat with user-defined virtual borehole location.

RADAN for StructureScan Mini 2D data example

Data illustrates a rebar mat in a test slab. Targets are identified and marked using software Target Picking tool.

System Requirements

  • A Core i3 or better processor (2.0 GHz or greater recommended).
  • GSSI will only support RADAN StructureScan Mini running on Windows Vista SP2, Windows 7 or Windows 8.
    Note: While some laptops or desktops will say Vista ready, a Windows Vista Business Edition requires a minimum 1 GHz 32- or 64-bit processor; 1 GB of RAM; 128 MB of graphics memory, and 32 bits per pixel;
    40 GB hard drive with 15 GB free space; DVD-ROM drive; audio output capability, and the ability to access the Internet.
  • 2 GB of RAM minimum (3 GB or greater recommended).
  • 160 GB hard drive with a minimum of 20 GB available space.
  • 128 MB graphics chipset with OpenGL drivers (Note: We only support NVidia and Intel graphics chipsets.)

New Accessory for StructureScan Mini XT

GSSI is pleased to announce LineTrac™ XT, an accessory to our StructureScan Mini XT. LineTrac adds the ability to detect AC power and induced RF energy present in conduits.

Locating specific power sources in concrete can be very complex. Site conditions resulting from various renovations and modifications can make the job more difficult and time consuming. GSSI recognizes that ground penetrating radar (GPR) is not the only tool for the job and has developed an accessory that combines radar data with a magnetometer.

The most important requirements for concrete professionals are ease-of-use, accuracy, and reliability. The combination of the StructureScan Mini XT and LineTrac XT addresses these needs with features that deliver accurate, dependable, and repeatable performance.

LineTrac employs a 50/60 Hz electro-magnetic sensor that is used to located powered conduits. LineTrac XT detects extremely low amplitude AC signals associated with difficult to locate conduits.


LineTrac includes a number of features to easily identify target utilities, including:

  • Easy integration with StructureScan Mini XT
  • Seamless data fusion with GPR data
  • Aids in target discrimination
  • Detection at 50/60 Hz
  • Rugged, IP-65 rated enclosure

More information: LineTrac XT Brochure

GSSI LineTrac for StructureScan Mini XT

GSSI LineTrac XT User Interface

The StructureScan Mini XT comes equipped with the LineTrac XT software package. Simply insert the LineTrac XT into the front accessory port on the StructureScan Mini XT system. Select the LineTrac XT module and choose between 50 Hz or 60 Hz.


GSSI LineTrac XT data example

Screen image illustrates GPR data of a suspended concrete slab with metallic reinforcement and a conduit with the presence of live power, indicated by the blue peaks.

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