Stonex STX-Dozer 3D Machine Control System: Precision Grading for Australian Contractors

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Advanced 3D Guidance Technology for Dozer Operations

The Stonex STX-Dozer 3D machine control system represents the cutting edge of precision grading technology for Australian civil construction and mining contractors. As an integral part of Red Edge Resources’ comprehensive machine guidance solutions, the STX-Dozer system delivers real-time 3D guidance, intuitive operation, and exceptional accuracy that transforms how dozers work on modern construction sites.

Whether you’re performing bulk earthworks, building haul roads, constructing building pads, or executing final grade work, the Stonex STX-Dozer system provides the precision and efficiency that Australian contractors need to maximise productivity, reduce costs, and deliver superior results.

Understanding 3D Dozer Machine Control

What Is 3D Dozer Machine Control?

Three-dimensional machine control systems for dozers use GNSS (Global Navigation Satellite System) positioning and advanced sensors to provide real-time guidance for blade operations:

Core Components:

  • GNSS receivers – Track precise machine and blade position using satellite signals
  • Tilt and slope sensors – Monitor blade angle, cross-slope, and machine attitude
  • In-cab display – Shows real-time cut/fill information and design surfaces
  • Hydraulic control valves – Optional automatic blade control
  • Design files – Digital 3D models guide grading to exact specifications

Real-Time Guidance:

  • Displays blade cutting edge position relative to design surface
  • Shows cut/fill depth across entire blade width
  • Provides visual and numerical guidance
  • Eliminates need for grade stakes and constant checking
  • Enables precise grading with minimal surveyor involvement

Accuracy Performance:

  • Typical accuracy: ±15-25mm vertical
  • Optimal conditions: ±10mm vertical achievable
  • Horizontal positioning: ±20-30mm typical
  • Real-time updates: Continuous position calculation at 10-20Hz

Traditional Dozer Grading vs 3D Machine Control

Traditional Methods:

  • Extensive survey staking throughout site
  • Laser or string line guidance (limited to flat or simple slopes)
  • Frequent grade checking with level or laser
  • Multiple surveyor site visits
  • Reliance on operator experience and skill
  • High risk of over-cutting or under-cutting
  • Constant rework and material waste

STX-Dozer 3D System:

  • Digital design files replace physical stakes
  • Continuous real-time grade information across blade
  • Work in any terrain or slope configuration
  • Minimal surveyor involvement during grading
  • Precise guidance regardless of operator experience
  • Accurate first-pass grading
  • Dramatic reduction in rework and material handling

Stonex STX-Dozer System Components

In-Cab Display Unit

The STX-Dozer features a rugged, intuitive touchscreen display designed for harsh dozer environments:

Display Specifications:

  • Screen size: 12.1-inch high-resolution touchscreen
  • Brightness: 1000+ cd/m² for extreme sunlight visibility
  • Resolution: 1920×1200 pixels for crystal-clear graphics
  • Touch interface: Heavy-duty capacitive touchscreen (glove-compatible)
  • Mounting: Robust adjustable bracket for optimal viewing position
  • Environmental rating: IP67 dust-tight and waterproof protection

Display Features:

  • Blade view – Real-time visualisation of blade position relative to design
  • Multi-point cut/fill indicators – Left, centre, and right blade edge readings
  • Cross-section view – Shows design profile and current blade position
  • Plan view – Overhead map with design elements and machine location
  • 3D perspective view – Three-dimensional representation of work area
  • Numerical readouts – Precise cut/fill measurements in millimetres
  • Design surface display – Visual representation of target grade

Operator Interface:

  • Intuitive menu navigation with large touch targets
  • Quick access to frequently used functions
  • Customisable display layouts and colour schemes
  • Multiple simultaneous view options
  • Simple job file selection and loading
  • Easy blade offset and reference adjustments
  • Configurable alerts and warnings

GNSS Positioning System

Professional-grade satellite positioning provides the foundation for accurate guidance:

GNSS Receivers:

  • Dual GNSS antennas – Mounted on dozer cab (mast-mounted configuration)
  • Multi-constellation support – GPS, GLONASS, Galileo, BeiDou, QZSS
  • RTK correction capability – Centimetre-level positioning accuracy
  • Update rate – 10-20Hz for smooth, responsive guidance
  • Communication – Radio or cellular RTK corrections
  • Tilt compensation – Accurate positioning on slopes and uneven terrain

Positioning Accuracy:

  • RTK fixed mode: ±8-10mm + 1ppm horizontal
  • RTK fixed mode: ±15-20mm + 1ppm vertical
  • RTK float mode: ±100-300mm (backup mode)
  • Initialisation time: <10 seconds typical
  • Reliability: >99.9% RTK fixed availability in open conditions

RTK Correction Sources:

  • Red Edge base station (Stonex S850 or similar)
  • Network RTK via cellular connection (CORSnet-NSW, GPSnet, etc.)
  • Radio base station (up to 8-10km range for dozers)
  • Hybrid configuration for maximum reliability and uptime

Sensor Package

Advanced sensors monitor dozer geometry, blade position, and machine attitude:

Inertial Measurement Unit (IMU):

  • Dual-axis tilt sensors – Monitor machine pitch and roll
  • Gyroscopic sensors – Track machine heading and rotation
  • Accelerometers – Detect dynamic movement and vibration
  • Update rate – High-frequency sampling (50-100Hz) for smooth operation
  • Automatic calibration – Compensation for sensor drift and temperature

Blade Position Sensors:

  • Sonic/ultrasonic sensors – Measure blade height at multiple points
  • Rotary encoders – Track blade lift cylinder position
  • Tilt sensors – Monitor blade angle and cross-slope
  • Redundant sensing – Multiple measurement methods for reliability
  • Weatherproof construction – Protected from dust, water, mud, and impact

Blade Monitoring Points:

  • Left blade edge position
  • Centre blade position
  • Right blade edge position
  • Blade tilt/cross-slope angle
  • Blade pitch angle
  • Cutting edge elevation at all points

Machine Geometry Measurement:

  • Machine centre of rotation
  • Blade dimensions (width, height, cutting edge)
  • Blade pivot point locations
  • GNSS antenna positions relative to machine
  • Sensor mounting locations and offsets

Control Box and Processing Unit

The system’s computational heart processes sensor data and manages all system functions:

Processing Capabilities:

  • High-performance processor – Real-time position calculations for multiple blade points
  • Multi-tasking operation – Simultaneous data processing and display updates
  • Design file management – Handle large, complex 3D surface models
  • Coordinate transformations – Support multiple coordinate systems (MGA2020, local grids)
  • Data logging – Record grading progress and as-built surface data
  • Predictive algorithms – Anticipate blade movement for smooth guidance

Connectivity:

  • CAN bus integration – Connect to dozer electronic systems
  • Bluetooth – Wireless display connection option
  • USB ports – File transfer, configuration, and software updates
  • Serial communications – Legacy equipment compatibility
  • Ethernet – Network connectivity for remote diagnostics

Environmental Protection:

  • IP67 rating – Dust-tight and waterproof to 1 metre
  • Vibration resistant – Withstands extreme dozer vibration and shock
  • Temperature range – -40°C to +75°C operation
  • Shock protection – Rugged mounting and robust construction
  • EMI shielding – Protection from electrical interference and hydraulic noise

Optional Automatic Blade Control

Advanced automation for maximum productivity and precision:

Hydraulic Control Valves:

  • Proportional control valves – Precise hydraulic flow management
  • Lift control – Automatic blade height adjustment
  • Tilt control – Automatic blade cross-slope adjustment
  • Response tuning – Adjustable sensitivity and aggressiveness
  • Manual override – Operator can take control instantly

Automation Modes:

  • Full automatic – System controls blade lift and tilt
  • Lift-only automatic – System controls height, operator controls tilt
  • Tilt-only automatic – System controls cross-slope, operator controls height
  • Manual with guidance – Operator controls, system provides visual guidance
  • Automatic to grade – System brings blade to design surface automatically

Benefits of Automation:

  • Reduced operator fatigue on long grading runs
  • Consistent accuracy regardless of operator skill
  • Faster grading with fewer passes
  • Improved fuel efficiency through optimised blade control
  • Enhanced productivity on repetitive grading tasks

STX-Dozer System Capabilities

3D Design Surface Guidance

The core functionality that revolutionises dozer productivity:

Design File Support:

  • File formats: .dxf, .dwg, .xml, .csv, .ttm, .svd, .12d, .LandXML
  • Surface types: TIN surfaces, DTM models, road alignments, corridors
  • Multiple surfaces: Switch between design layers instantly
  • Complex geometry: Handle intricate 3D designs and transitions
  • Large files: Process extensive site models efficiently (100,000+ triangles)
  • Linework support – Road centrelines, kerbs, boundaries, features

Real-Time Cut/Fill Display:

  • Colour-coded indicators:
    • Red zone – Cut required (blade above design grade)
    • Blue zone – Fill required (blade below design grade)
    • Green zone – On grade (within tolerance)
  • Multi-point display – Left, centre, and right blade readings simultaneously
  • Numerical depth display – Precise measurements in millimetres
  • Tolerance bands – Configurable for finish vs rough grading (±10mm to ±100mm)
  • Audio alerts – Optional sound notifications for grade achievement
  • Haptic feedback – Optional vibration alerts (on compatible systems)

Visual Guidance Modes:

  • Blade view – Front view showing blade position relative to design
  • Cross-section – Side view showing design profile and blade
  • Plan view – Overhead map with position indicator and design elements
  • 3D perspective – Three-dimensional view of work area
  • Slope guidance – Visual indicators for cross-slope and batter work
  • Multi-view display – Multiple perspectives simultaneously on split screen

Cross-Slope and Grade Control

Essential capabilities for road construction and complex grading:

Cross-Slope Functionality:

  • Real-time cross-slope display – Shows current blade tilt angle
  • Target cross-slope indication – Design cross-slope from 3D model
  • Left/right tilt guidance – Visual indicators for blade adjustment
  • Automatic tilt control – Optional automatic cross-slope management
  • Tolerance monitoring – Alerts when outside specification

Applications:

  • Road crown and camber construction
  • Drainage grades and cross-falls
  • Building pad slopes for drainage
  • Car park and pavement grading
  • Runway and taxiway construction

Grade Control:

  • Longitudinal grade display – Forward/backward slope indication
  • Design grade following – Continuous adjustment to changing grades
  • Transition handling – Smooth grade changes and vertical curves
  • Constant grade mode – Maintain fixed slope over distance
  • Grade matching – Tie into existing grades accurately

Offset and Layer Control

Critical features for versatile grading applications:

Vertical Offset Functionality:

  • Purpose: Adjust reference elevation relative to design surface
  • Applications:
    • Grading subgrade below final surface elevation
    • Allowing for base course or pavement thickness
    • Compensating for blade wear
    • Creating multiple grade layers from single design
    • Fine-tuning final elevations

Offset Input Methods:

  • Manual numerical entry (positive or negative values)
  • Quick preset buttons for common offsets
  • Reference point measurement and calculation
  • Layer-based offset management

Display Integration:

  • Current offset value prominently displayed
  • Adjusted elevation shown in real-time
  • Design surface and offset surface both visible
  • Easy toggle between design and offset views

Practical Applications:

  • Subgrade preparation 150mm below final grade
  • Base course grading 50mm below pavement surface
  • Multiple lift grading in mining applications
  • Allowance for compaction settlement
  • Finish grade fine-tuning

Linework and Alignment Guidance

Specialised functionality for road and linear construction:

Centreline Following:

  • Display road centreline on plan view
  • Show offset distance from centreline
  • Guidance for staying on alignment
  • Chainage/stationing display
  • Horizontal curve navigation

Offset Staking:

  • Work at specified offset from centreline
  • Parallel path guidance
  • Multiple offset lines simultaneously
  • Kerb and gutter line guidance
  • Shoulder and table drain alignment

Corridor Construction:

  • Road corridor model support
  • Automatic cross-section selection based on chainage
  • Transition zone handling
  • Intersection and roundabout guidance
  • Superelevation transitions

Linear Feature Applications:

  • Highway and road construction
  • Airport runway and taxiway grading
  • Railway formation grading
  • Pipeline right-of-way preparation
  • Haul road construction in mining

As-Built Data Collection and Verification

Built-in quality control and documentation capabilities:

Automatic As-Built Logging:

  • Continuous recording of blade position during grading
  • High-density point cloud generation
  • Surface model creation from grading passes
  • Time-stamped data for progress tracking
  • GPS coordinates for every recorded point

Quality Assurance Features:

  • Tolerance monitoring – Real-time alerts when outside specifications
  • Over-cut warnings – Prevent excessive material removal
  • Under-cut indicators – Identify areas needing additional passes
  • Progress mapping – Visual indication of completed vs remaining areas
  • Verification points – Spot-check critical elevations during work

Data Export and Reporting:

  • Export as-built surfaces to office software
  • Generate cut/fill volume reports
  • Create progress documentation for clients
  • Compliance reporting for specifications
  • Integration with project management systems

Volume Calculations:

  • Compare design surface to as-built surface
  • Calculate cut and fill volumes
  • Track material movement and quantities
  • Monitor project progress against estimates
  • Identify areas requiring additional work

Applications for Australian Construction and Mining

Road and Highway Construction

The primary application where STX-Dozer systems excel:

Subgrade Preparation:

  • Precise elevation control for road formation
  • Consistent cross-slope and crown construction
  • Smooth transitions and vertical curves
  • Tight tolerance achievement (±10-15mm typical)
  • Reduced base course material requirements

Base Course Grading:

  • Accurate thickness control
  • Proper cross-fall and drainage grades
  • Smooth, even surface for pavement
  • Minimised material waste
  • Improved pavement performance and longevity

Shoulder and Table Drain Construction:

  • Accurate batter slopes for drainage
  • Consistent grades for water flow
  • Smooth transitions to pavement
  • Proper tie-ins to existing ground
  • Erosion control feature construction

Project Benefits:

  • 40-60% faster grading operations
  • 80-90% reduction in survey staking
  • 50-70% reduction in rework
  • Improved surface quality and smoothness
  • Enhanced project profitability

Building Pads and Site Development

Efficient site preparation for commercial and industrial development:

Commercial Building Pads:

  • Large area grading to precise elevations
  • Consistent slopes for drainage (1-2% typical)
  • Smooth surface for slab construction
  • Accurate tie-ins to surrounding grades
  • Volume optimisation (balanced cut/fill)

Industrial Site Preparation:

  • Multi-level pad construction
  • Ramp and access way grading
  • Drainage feature integration
  • Precise elevations for equipment foundations
  • Large-scale earthwork efficiency

Subdivision Development:

  • Lot pad preparation and grading
  • Street subgrade construction
  • Drainage swale and basin grading
  • Bulk earthworks and site shaping
  • Consistent quality across entire development

Advantages:

  • Single-pass accuracy reduces equipment hours
  • Minimised material import/export costs
  • Faster project completion timelines
  • Improved drainage and site functionality
  • Reduced surveyor and checking costs

Mining Applications

Rugged performance for demanding mining environments:

Haul Road Construction and Maintenance:

  • Precise grade control for optimal truck performance
  • Consistent cross-slope for drainage and safety
  • Smooth surface reduces tyre wear and fuel consumption
  • Rapid construction and reconstruction
  • Minimal surveyor involvement in remote locations

Stonex STX-Dig 3D Excavator Machine Control System: Precision Excavation for Australian Contractors

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Transforming Excavator Operations with Advanced 3D Guidance Technology

The Stonex STX-Dig 3D excavator machine control system represents a breakthrough in precision excavation technology for Australian civil construction and mining contractors. As a key component of Red Edge Resources’ comprehensive machine guidance solutions, the STX-Dig system delivers real-time 3D guidance, intuitive operation, and exceptional accuracy that transforms how excavators work on modern construction sites.

Whether you’re excavating foundations, installing utilities, constructing drainage systems, or performing final grade work, the Stonex STX-Dig system provides the precision and efficiency that Australian contractors need to stay competitive, reduce costs, and deliver superior results.

Understanding 3D Excavator Machine Control

What Is 3D Machine Control?

Three-dimensional machine control systems use GNSS (Global Navigation Satellite System) positioning and advanced sensors to provide real-time guidance for excavator operations:

Core Components:

  • GNSS receivers – Track precise machine position using satellite signals
  • Tilt and rotation sensors – Monitor boom, stick, and bucket angles
  • In-cab display – Shows real-time cut/fill information and design surfaces
  • Control box – Processes sensor data and calculates bucket position
  • Design files – Digital 3D models guide excavation to exact specifications

Real-Time Guidance:

  • Displays bucket cutting edge position relative to design surface
  • Shows cut/fill depth in real-time
  • Provides visual and numerical guidance
  • Eliminates need for grade stakes and constant checking
  • Enables single-operator precision excavation

Accuracy Performance:

  • Typical accuracy: ±20-30mm vertical
  • Optimal conditions: ±15mm vertical achievable
  • Horizontal positioning: ±30-40mm typical
  • Real-time updates: Continuous position calculation

Traditional Excavation vs 3D Machine Control

Traditional Methods:

  • Extensive survey staking required
  • Frequent grade checking with laser or level
  • Multiple site visits from surveyors
  • Reliance on operator experience and estimation
  • High risk of over-excavation or under-excavation
  • Constant communication with ground personnel

STX-Dig 3D System:

  • Digital design files replace physical stakes
  • Continuous real-time grade information
  • Minimal surveyor involvement during excavation
  • Precise guidance regardless of operator experience
  • Accurate first-pass excavation
  • Safer operation with fewer ground personnel

Stonex STX-Dig System Components

In-Cab Display Unit

The STX-Dig features an intuitive touchscreen display designed for excavator environments:

Display Specifications:

  • Screen size: 10.1-inch high-resolution touchscreen
  • Brightness: 800+ cd/m² for sunlight visibility
  • Resolution: 1280×800 pixels for clear graphics
  • Touch interface: Glove-compatible capacitive touchscreen
  • Mounting: Adjustable bracket for optimal viewing position
  • Environmental rating: IP65 dust and water protection

Display Features:

  • 3D bucket view – Real-time visualisation of bucket position
  • Cut/fill indicators – Colour-coded depth information
  • Cross-section view – Shows design profile and current position
  • Plan view – Overhead map with design elements
  • Numerical readouts – Precise cut/fill measurements
  • Design surface display – Visual representation of target grade

Operator Interface:

  • Intuitive menu navigation
  • Quick access to common functions
  • Customisable display layouts
  • Multiple view options simultaneously
  • Simple job file selection
  • Easy offset adjustments

GNSS Positioning System

Precise satellite positioning forms the foundation of the STX-Dig system:

GNSS Receivers:

  • Dual GNSS antennas – Mounted on excavator cab and boom
  • Multi-constellation support – GPS, GLONASS, Galileo, BeiDou
  • RTK correction capability – Centimetre-level positioning accuracy
  • Update rate – 10-20Hz for smooth, responsive guidance
  • Communication – Radio or cellular RTK corrections

Positioning Accuracy:

  • RTK fixed mode: ±10-15mm + 1ppm horizontal
  • RTK fixed mode: ±20-25mm + 1ppm vertical
  • RTK float mode: ±100-300mm (backup mode)
  • Initialisation time: <10 seconds typical

RTK Correction Sources:

  • Red Edge base station (Stonex S850 or similar)
  • Network RTK via cellular connection (CORSnet, GPSnet)
  • Radio base station (up to 8km range)
  • Hybrid configuration for maximum reliability

Sensor Package

Advanced sensors monitor excavator geometry and movement:

Inertial Measurement Unit (IMU):

  • Dual-axis tilt sensors – Monitor machine and boom angles
  • Rotation sensors – Track slew position and orientation
  • Accelerometers – Detect dynamic movement
  • Update rate – High-frequency sampling for smooth operation
  • Calibration – Automatic compensation for sensor drift

Boom, Stick, and Bucket Sensors:

  • Rotary encoders – Measure joint angles precisely
  • Redundant sensing – Multiple measurement methods for reliability
  • Sealed construction – Protected from dust, water, and impact
  • Heavy-duty cables – Abrasion-resistant and flexible
  • Quick-connect fittings – Simplified installation and maintenance

Machine Geometry Measurement:

  • Boom length and pivot point location
  • Stick length and attachment point
  • Bucket dimensions and cutting edge position
  • Machine centre of rotation
  • GNSS antenna positions relative to machine

Control Box and Processing Unit

The system brain processes all sensor data and manages communications:

Processing Capabilities:

  • High-speed processor – Real-time position calculations
  • Multi-tasking operation – Simultaneous data processing
  • Design file management – Handle complex 3D surfaces
  • Coordinate transformations – Support multiple coordinate systems
  • Data logging – Record excavation progress and as-built data

Connectivity:

  • CAN bus integration – Connect to machine systems
  • Bluetooth – Wireless display connection option
  • USB ports – File transfer and configuration
  • Serial communications – Legacy equipment compatibility
  • Ethernet – Network connectivity for updates

Environmental Protection:

  • IP67 rating – Dust-tight and waterproof
  • Vibration resistant – Withstands excavator operation
  • Temperature range – -30°C to +70°C operation
  • Shock protection – Rugged mounting and construction
  • EMI shielding – Protection from electrical interference

STX-Dig System Capabilities

3D Design Surface Guidance

The core functionality that transforms excavator productivity:

Design File Support:

  • File formats: .dxf, .dwg, .xml, .csv, .ttm, .svd
  • Surface types: TIN surfaces, DTM models, alignments
  • Multiple surfaces: Switch between design layers instantly
  • Complex geometry: Handle intricate 3D designs
  • Large files: Process extensive site models efficiently

Real-Time Cut/Fill Display:

  • Colour-coded indicators:
    • Red zone – Cut required (above design grade)
    • Blue zone – Fill required (below design grade)
    • Green zone – On grade (within tolerance)
  • Numerical depth display – Precise measurements in millimetres
  • Tolerance bands – Configurable for finish vs rough excavation
  • Audio alerts – Optional sound notifications for grade achievement

Visual Guidance Modes:

  • Bucket view – 3D representation of bucket relative to design
  • Cross-section – Side view showing design profile
  • Plan view – Overhead map with position indicator
  • Slope guidance – Visual indicators for batter excavation
  • Multi-view display – Multiple perspectives simultaneously

Offset and Elevation Functions

Critical features for versatile excavation work:

Offset Functionality:

  • Purpose: Adjust zero-reference point relative to bucket cutting edge
  • Applications:
    • Excavating to formation level
    • Working to pipe invert elevations
    • Adjusting for different bucket sizes
    • Compensating for wear on cutting edges
  • Input methods:
    • Manual numerical entry
    • Reference delta from known point
    • Quick preset values
  • Display integration: Offset value visible on work screen
  • Real-time adjustment: Change offsets without stopping work

Elevation Level Control:

  • Z-value adjustment – Modify reference elevation via GNSS
  • Save and reset functions – Store multiple reference levels
  • Bucket position display – Shows adjusted elevation in real-time
  • Design surface shifting – Effectively raise or lower entire design
  • Quick access – Easily toggle between reference levels

Practical Applications:

  • Setting formation level for pipe bedding
  • Adjusting for compacted base thickness
  • Compensating for different bucket configurations
  • Working to multiple grade levels on same project
  • Fine-tuning final grade elevations

Slope and Batter Excavation

Specialised guidance for angled excavation work:

Slope Indicators:

  • Visual slope guides – On-screen angle representations
  • Target slope display – Shows design batter angle
  • Current slope feedback – Real-time bucket angle monitoring
  • Tolerance zones – Acceptable slope variation indicators
  • Numerical readouts – Precise angle measurements

Batter Excavation Modes:

  • Fixed slope guidance – Maintain consistent batter angle
  • Variable slope – Follow changing design angles
  • Bench excavation – Multi-level slope construction
  • Compound slopes – Complex angular transitions
  • Vertical face – Guidance for straight vertical cuts

Applications:

  • Drainage channel construction
  • Retention basin excavation
  • Road embankment batters
  • Foundation wall excavation
  • Trench side slopes for safety

Grade Checking and Verification

Built-in quality control capabilities:

As-Built Data Collection:

  • Automatic logging – Record excavation progress continuously
  • Point collection – Capture specific verification points
  • Surface generation – Create as-built surface models
  • Volume calculations – Compare design vs actual excavation
  • Export capabilities – Transfer data to office software

Quality Assurance Features:

  • Tolerance monitoring – Alert when outside specifications
  • Over-excavation warnings – Prevent costly mistakes
  • Progress tracking – Visual indication of completed areas
  • Verification points – Check critical elevations during work
  • Documentation – Automated record-keeping for compliance

Applications for Australian Construction and Mining

Foundation Excavation

Precise excavation for building foundations and structures:

Residential Foundations:

  • House footings and slab excavation
  • Basement and undercroft excavation
  • Retaining wall foundations
  • Pier and pile cap excavation
  • Accurate depth control for engineering specifications

Commercial and Industrial:

  • Large building pad excavation
  • Multi-level basement construction
  • Column and foundation pier excavation
  • Equipment foundation pits
  • Precise elevation control for structural requirements

Benefits:

  • First-pass accuracy reduces rework
  • Minimal over-excavation saves concrete costs
  • Faster excavation with less checking
  • Reduced surveyor involvement
  • Improved safety with fewer ground personnel

Utility Installation and Trenching

Efficient and accurate utility trench excavation:

Sewer and Stormwater:

  • Precise invert level excavation
  • Consistent grade maintenance for gravity flow
  • Accurate depth control for cover requirements
  • Smooth trench bottom for pipe bedding
  • Reduced pipe bedding material requirements

Water and Gas Mains:

  • Depth compliance for service protection
  • Straight alignment for efficient installation
  • Consistent trench width
  • Accurate tie-in elevations at connections
  • Reduced risk of existing service damage

Electrical and Communications:

  • Conduit trench excavation to specification
  • Multiple service trenches with precise separation
  • Accurate depth for cable protection
  • Smooth trench conditions for cable pulling
  • Reduced backfill and compaction requirements

Advantages:

  • 30-50% faster trenching operations
  • Reduced material waste and costs
  • Improved pipe laying efficiency
  • Better quality control and compliance
  • Safer operations with precise depth control

Road and Civil Construction

Essential applications for infrastructure projects:

Road Construction:

  • Subgrade excavation to design profile
  • Drainage channel and table drain construction
  • Culvert and cross-drain excavation
  • Intersection and roundabout formation
  • Median and verge shaping

Subdivision Development:

  • Lot pad preparation and levelling
  • Street formation excavation
  • Drainage system installation
  • Retention basin construction
  • Service trench excavation

Bulk Earthworks:

  • Cut to fill operations with precise control
  • Batter and slope excavation
  • Drainage and erosion control features
  • Site preparation and levelling
  • Material quantity management

Project Benefits:

  • Faster project completion times
  • Reduced survey staking costs
  • Improved grade accuracy and quality
  • Lower material and rework costs
  • Enhanced project profitability

Mining Applications

Rugged performance for demanding mining environments:

Mine Development:

  • Haul road construction and maintenance
  • Drainage system excavation
  • Infrastructure foundation excavation
  • Service trench installation
  • Precise grade control for operational efficiency

Production Support:

  • Ramp and access road construction
  • Sump and water management excavation
  • Equipment foundation preparation
  • Precise excavation for blasting operations
  • Grade control for ore handling

Rehabilitation:

  • Final landform construction
  • Drainage feature creation
  • Topsoil placement preparation
  • Erosion control structure excavation
  • Compliance with rehabilitation plans

Mining Advantages:

  • Operate in remote locations with base station
  • Reduced surveyor site visits
  • Improved safety with precise depth control
  • Better material management and cost control
  • Enhanced compliance documentation

Landscaping and Final Grade Work

Precision finishing for aesthetic and functional requirements:

Commercial Landscaping:

  • Precise pad and terrace excavation
  • Drainage swale and feature construction
  • Retention pond and water feature excavation
  • Accurate grade for irrigation and drainage
  • Smooth finish for turf and planting areas

Sports Field Construction:

  • Precise grade control for drainage
  • Consistent surface elevation
  • Subgrade preparation for turf systems
  • Drainage system installation
  • Quality control for performance specifications

Golf Course Construction:

  • Green and tee box excavation
  • Fairway shaping and contouring
  • Bunker excavation to design
  • Drainage feature construction
  • Precise elevation control for playability

Red Edge Resources Installation and Training

STX-Dig Installation Masterclass

Comprehensive training programme for independent installation capability:

Course Structure:

  • Self-paced online modules – Learn at your convenience
  • Video demonstrations – Visual step-by-step instructions
  • Downloadable resources – Reference materials and checklists
  • Knowledge quizzes – Test understanding of key concepts
  • Certification – Recognised installer credential upon completion

Module Topics:

1. System Introduction and Overview:

  • STX-Dig components and functionality
  • System capabilities and applications
  • Safety procedures and precautions
  • Tools and equipment requirements
  • Installation planning and preparation

2. Hardware Installation:

  • GNSS antenna mounting and positioning
  • Sensor installation on boom, stick, and bucket
  • Cable routing and protection
  • Display unit mounting and positioning
  • Control box installation and connections

3. Machine Measurement (Measure-Up):

  • Critical measurement points and procedures
  • Boom, stick, and bucket dimensions
  • Machine centre of rotation determination
  • GNSS antenna position measurement
  • Sensor configuration and verification

4. System Configuration:

  • Software setup and initialisation
  • Coordinate system configuration (MGA2020, local grids)
  • RTK correction source setup
  • Display customisation and preferences
  • Communication parameter configuration

5. Calibration and Testing:

  • GNSS calibration procedures
  • Sensor calibration and verification
  • System accuracy testing
  • Known point verification
  • Troubleshooting calibration issues

6. Design File Management:

  • Supported file formats and preparation
  • Loading design files to system
  • Surface selection and management
  • Design file verification
  • Job setup and configuration

7. Operator Training:

  • Display understanding and navigation
  • Cut/fill indicator interpretation
  • Offset and elevation functions
  • View mode selection and use
  • Best practices for accurate excavation

STX-Dig Operator Masterclass

Dedicated training for excavator operators using the system:

Operator-Focused Content:

  • Display understanding and interpretation
  • Real-time guidance utilisation
  • Offset and elevation level functions
  • Efficient excavation techniques with 3D guidance
  • Quality control and verification procedures
  • Troubleshooting common operational issues
  • Best practices for maximum productivity

Training Delivery:

  • Online self-paced learning modules
  • Practical field exercises and scenarios
  • Video demonstrations of real-world applications
  • Interactive quizzes and assessments
  • Certification upon successful completion

Stonex S850 GNSS Base and Rover System: Precision Surveying for Australian Construction and Mining

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Professional-Grade Positioning Technology for Demanding Applications

The Stonex S850 GNSS receiver represents a significant advancement in surveying and positioning technology for Australian contractors, surveyors, and mining professionals. As part of Red Edge Resources’ comprehensive machine control and geospatial solutions portfolio, the S850 base and rover system delivers centimetre-level accuracy, rugged reliability, and versatile functionality for the most demanding field conditions.

Whether you’re establishing site control networks, performing topographic surveys, staking out construction projects, or supporting machine control operations, the Stonex S850 provides the precision and dependability that Australian professionals require.

Understanding GNSS Base and Rover Technology

What Is a Base and Rover System?

GNSS (Global Navigation Satellite System) base and rover configurations provide Real-Time Kinematic (RTK) positioning, the gold standard for high-accuracy surveying and construction layout:

Base Station:

  • Established at a known or calculated position
  • Receives satellite signals and calculates correction data
  • Transmits corrections to rover units via radio or cellular connection
  • Provides reference point for differential positioning

Rover Unit:

  • Mobile GNSS receiver used in the field
  • Receives satellite signals and base station corrections simultaneously
  • Calculates precise position in real-time
  • Achieves centimetre-level accuracy through differential correction

RTK Positioning Advantage:

  • Horizontal accuracy: ±8mm + 1ppm
  • Vertical accuracy: ±15mm + 1ppm
  • Initialisation time: <10 seconds typical
  • Update rate: Up to 20Hz for dynamic applications

This technology eliminates the limitations of standalone GNSS positioning, which typically provides only metre-level accuracy unsuitable for construction and surveying applications.

Stonex S850 Technical Specifications

Multi-Constellation GNSS Support

The S850 tracks all major satellite constellations for maximum reliability and accuracy:

Supported Systems:

  • GPS – United States Global Positioning System (L1, L2, L5)
  • GLONASS – Russian satellite navigation system (L1, L2)
  • Galileo – European Union satellite system (E1, E5a, E5b, E6)
  • BeiDou – Chinese navigation satellite system (B1, B2, B3)
  • QZSS – Japanese Quasi-Zenith Satellite System (L1, L2, L5)
  • SBAS – Satellite-Based Augmentation Systems (WAAS, EGNOS, MSAS, GAGAN)

Multi-Constellation Benefits:

  • Increased satellite availability – 120+ satellites tracked simultaneously
  • Improved reliability – Redundancy in challenging environments
  • Faster initialisation – More satellites mean quicker RTK fix
  • Better performance – Consistent accuracy in obstructed conditions

Accuracy Performance

The Stonex S850 delivers professional-grade accuracy across all positioning modes:

RTK Mode (with base station corrections):

  • Horizontal: ±8mm + 1ppm RMS
  • Vertical: ±15mm + 1ppm RMS
  • Initialisation time: <10 seconds
  • Reliability: >99.9%

Static/Fast Static Mode:

  • Horizontal: ±2.5mm + 0.5ppm RMS
  • Vertical: ±5mm + 0.5ppm RMS
  • Ideal for control network establishment

DGPS Mode (differential GPS):

  • Horizontal: ±0.25m + 1ppm RMS
  • Vertical: ±0.50m + 1ppm RMS
  • Useful for reconnaissance and GIS applications

Autonomous Mode:

  • Horizontal: <1.5m CEP
  • Vertical: <3.0m CEP
  • Backup positioning when corrections unavailable

Physical Design and Durability

Built for Australian field conditions, the S850 features:

Environmental Protection:

  • IP68 rating – Dust-tight and waterproof to 2 metres for 1 hour
  • Operating temperature – -45°C to +65°C
  • Storage temperature – -55°C to +75°C
  • Humidity resistance – 100% condensing
  • Shock resistance – Survives 2-metre pole drops

Physical Characteristics:

  • Compact design – 127mm diameter × 73mm height
  • Lightweight – 1.1kg including battery
  • Magnesium alloy housing – Durable yet lightweight construction
  • Integrated antenna – No external antenna required
  • Hot-swappable battery – Continuous operation with battery changes

Australian Conditions Performance:

  • Extreme heat tolerance for outback and mining applications
  • Dust protection for dry, arid environments
  • Water resistance for tropical and coastal regions
  • Shock resistance for rugged terrain and transport

Communication and Connectivity

The S850 offers multiple communication options for maximum flexibility:

Internal Radio Modem:

  • Frequency range – 410-470 MHz (configurable)
  • Output power – Up to 2W
  • Range – Up to 8km line-of-sight (base to rover)
  • Protocols – Transparent, SATEL, TrimTalk, PCC

Cellular Connectivity:

  • 4G LTE modem – High-speed data transmission
  • 3G fallback – Compatibility with older networks
  • NTRIP client/server – Connect to CORS networks or broadcast corrections
  • Network RTK support – Utilise VRS, FKP, MAC, and other network solutions

Bluetooth:

  • Bluetooth 4.0 – Low-energy connectivity
  • Range – Up to 100 metres
  • Controller connection – Pair with data collectors and smartphones
  • Multiple device support – Connect to various field equipment

Additional Connectivity:

  • Wi-Fi – Configuration and data transfer
  • USB – Direct connection for configuration and downloads
  • Serial ports – Legacy equipment compatibility

Power Management

Extended battery life for full-day field operations:

Internal Battery:

  • Capacity – 7.4V, 6800mAh lithium-ion
  • Operating time (rover) – 10+ hours typical
  • Operating time (base) – 8+ hours with radio transmission
  • Charging time – 4 hours to full capacity
  • Hot-swappable – Change batteries without losing position

Power Options:

  • External power input – 9-28V DC
  • Solar panel compatible – Extended base station operation
  • Vehicle power – Connect to 12V/24V systems
  • Power bank support – USB charging for emergency backup

Applications for Australian Construction and Mining

Site Surveying and Control Networks

The S850 base and rover system excels at establishing accurate site control:

Control Point Establishment:

  • Static observations for primary control networks
  • Fast-static for secondary control densification
  • RTK for tertiary control and check points
  • Integration with Australian coordinate systems (MGA2020, AHD)

Topographic Surveys:

  • Rapid data collection for existing conditions
  • Feature location and mapping
  • Contour generation for design development
  • As-built documentation and verification

Boundary and Cadastral Work:

  • Property boundary location and verification
  • Easement and right-of-way surveys
  • Subdivision layout and monumentation
  • Integration with state cadastral databases

Construction Layout and Machine Control Support

Red Edge Resources integrates S850 technology with machine control systems:

Design Staking:

  • Building corner and foundation layout
  • Road centreline and offset staking
  • Utility trench alignment
  • Structural element positioning

Machine Control Base Station:

  • Provide RTK corrections for Hemisphere VR1000 systems
  • Support Stonex STX-Dig excavator guidance
  • Enable 3D dozer and grader operations
  • Multi-machine correction broadcast

Quality Control and Verification:

  • Grade checking and verification
  • Volume calculations (cut/fill)
  • Progress monitoring and documentation
  • Final as-built surveys

Mining Applications

The S850’s rugged design suits demanding mining environments:

Mine Development:

  • Pit boundary and bench layout
  • Haul road design staking
  • Drill hole positioning and verification
  • Infrastructure and facility location

Production Support:

  • Stockpile volume calculations
  • Blast hole drilling guidance
  • Grade control sampling locations
  • Rehabilitation area surveys

Safety and Compliance:

  • Highwall monitoring and deformation surveys
  • Restricted area boundary definition
  • Environmental monitoring point establishment
  • Regulatory compliance documentation

Civil Construction Projects

Versatile applications across civil infrastructure:

Road and Highway Construction:

  • Centreline and offset staking
  • Cross-section verification
  • Drainage structure location
  • Pavement thickness control

Earthworks and Site Development:

  • Cut/fill volume calculations
  • Pad elevation verification
  • Slope and batter checking
  • Compaction testing locations

Utilities and Infrastructure:

  • Pipeline alignment and depth verification
  • Manhole and pit location
  • Service location and clearance verification
  • Underground utility mapping

Stonex Cube-a V7 Software Integration

Professional Field Software

The S850 pairs with Stonex’s Cube-a V7 software for comprehensive field data collection:

Survey Functions:

  • Point stakeout and collection
  • Line and arc stakeout
  • Surface and DTM stakeout
  • COGO (Coordinate Geometry) calculations

Data Management:

  • Multiple project management
  • Import/export various file formats (.dxf, .dwg, .csv, .xml)
  • Cloud synchronisation and backup
  • Real-time collaboration with office

Quality Control:

  • Automatic quality checks and alerts
  • Redundant measurement verification
  • Statistical analysis and reporting
  • Tolerance monitoring

Customisation:

  • User-defined codes and attributes
  • Custom forms and data collection templates
  • Configurable display and interface
  • Workflow automation

Red Edge Resources Training

Red Edge offers comprehensive Cube-a V7 training courses:

  • Self-paced online modules – Learn at your convenience
  • Practical field exercises – Real-world application scenarios
  • Australian-specific content – MGA2020, AHD, local standards
  • Certification programmes – Demonstrate competency
  • Ongoing support – Technical assistance when needed

Base and Rover Configuration Options

Standalone Base and Rover System

Complete Independence:

  • No reliance on external correction services
  • Ideal for remote locations without cellular coverage
  • Full control over base station positioning
  • Radio communication up to 8km range

Typical Setup:

  • One S850 as base station on tripod or fixed mount
  • One or more S850 rovers with data collectors
  • Internal radio communication
  • Self-contained operation

Best For:

  • Remote mining sites
  • Areas without CORS network coverage
  • Projects requiring dedicated base station
  • Maximum independence and reliability

Network RTK Configuration

CORS Network Connection:

  • Connect to state CORS networks (CORSnet-NSW, GPSnet, etc.)
  • Receive corrections via cellular 4G/LTE
  • No base station setup required
  • Wider coverage area

Advantages:

  • Faster mobilisation (no base setup)
  • Single rover operation
  • Consistent accuracy across large areas
  • Reduced equipment requirements

Best For:

  • Urban and suburban construction
  • Projects within CORS network coverage
  • Mobile surveying across wide areas
  • Single-operator efficiency

Hybrid Configuration

Maximum Flexibility:

  • Primary operation via network RTK
  • Base station backup for network outages
  • Radio backup for cellular dead zones
  • Seamless switching between modes

Red Edge Recommendation:

  • Optimal for Australian conditions
  • Addresses connectivity variability
  • Ensures continuous productivity
  • Professional redundancy

Financial Benefits of the S850 System

Reduced Survey Costs

Traditional surveying methods versus S850 RTK efficiency:

Traditional Total Station Survey:

  • Two-person crew requirement
  • Line-of-sight limitations
  • Frequent instrument moves
  • Slower data collection
  • Typical productivity: 50-100 points per day

S850 RTK Survey:

  • Single-operator capability
  • No line-of-sight required (except to sky)
  • Continuous operation without setup
  • Rapid data collection
  • Typical productivity: 300-500 points per day

Cost Comparison (typical topographic survey):

  • Traditional method: $8,000-$12,000
  • S850 RTK method: $2,500-$4,000
  • Savings per project: $5,500-$8,000

Machine Control Integration Savings

When used as base station for Red Edge machine control systems:

Eliminated Costs:

  • Network RTK subscription fees: $2,000-$4,000 per machine annually
  • Multiple subscriptions for fleet operations
  • Cellular data costs for corrections
  • Network coverage limitations

S850 Base Station Benefits:

  • One-time equipment investment
  • Support multiple machines simultaneously
  • No ongoing subscription fees
  • Complete independence

Annual Savings (5-machine fleet): $10,000-$20,000

Versatility Value

Single S850 system serves multiple purposes:

  • Site surveying and control
  • Construction layout and staking
  • Machine control base station
  • As-built documentation
  • Quality control verification

Equipment Consolidation:

  • Replaces multiple specialised devices
  • Reduces equipment inventory
  • Simplifies training requirements
  • Maximises asset utilisation

Return on Investment

Typical S850 Base/Rover System Investment: $35,000-$45,000

Annual Cost Savings and Revenue:

  • Survey cost reduction: $30,000-$50,000
  • Machine control subscription savings: $10,000-$20,000
  • Increased project capacity: $40,000-$80,000
  • Total annual benefit: $80,000-$150,000

ROI Timeline: 4-7 months typical payback period

Comparison with Competitive Systems

S850 Advantages

Value Proposition:

  • Professional-grade accuracy at competitive pricing
  • Comprehensive multi-constellation support
  • Rugged design for Australian conditions
  • Flexible communication options
  • Excellent support through Red Edge Resources

Versus Premium Brands (Trimble, Leica, Topcon):

  • 30-40% lower initial investment
  • Comparable accuracy and reliability
  • Similar feature set and capabilities
  • Better value for money
  • Red Edge’s local Australian support

Versus Budget Options:

  • Superior build quality and durability
  • Better accuracy specifications
  • More reliable RTK performance
  • Professional software integration
  • Comprehensive warranty and support

Integration with Red Edge Ecosystem

Seamless Compatibility:

  • Works with Hemisphere VR1000 machine control
  • Supports Stonex STX-Dig excavator systems
  • Integrates with Cube-a V7 software
  • Compatible with Red Edge training programmes
  • Unified technical support

Complete Solution Provider:

  • Survey equipment and machine control from single source
  • Consistent training and certification
  • Integrated technical support (2-hour response time)
  • Comprehensive knowledge portal access
  • Long-term partnership approach

Setup and Operation

Base Station Configuration

Physical Setup:

  1. Mount S850 on stable tripod or fixed monument
  2. Level and centre over known point (if required)
  3. Measure antenna height accurately
  4. Connect external power if available (solar, battery, vehicle)
  5. Ensure clear sky view (minimal obstructions)

Software Configuration:

  • Enter base station coordinates (known or averaged)
  • Configure radio frequency and output power
  • Set correction message format (RTCM 3.2 recommended)
  • Establish communication parameters
  • Verify correction broadcast

Red Edge Best Practices:

  • Position base for maximum radio coverage
  • Elevate antenna when possible
  • Avoid nearby metal structures
  • Document base station setup
  • Maintain setup records for repeat projects

Rover Operation

Field Setup:

  1. Power on S850 rover unit
  2. Connect to data collector via Bluetooth
  3. Launch Cube-a V7 software
  4. Establish connection to base (radio or network)
  5. Verify RTK fixed solution
  6. Begin surveying operations

Quality Assurance:

  • Check known control points before starting
  • Monitor satellite count and PDOP values
  • Verify RTK fixed status maintained
  • Perform redundant measurements on critical points
  • Document any positioning issues

Troubleshooting Common Issues

No RTK Fix:

  • Check base station operation and broadcast
  • Verify radio frequency and communication
  • Ensure adequate satellite visibility
  • Check for local interference sources
  • Confirm correction data format compatibility

Poor Accuracy:

  • Verify antenna height measurements
  • Check for multipath environments (reflective surfaces)
  • Ensure proper base station coordinates
  • Confirm coordinate system settings
  • Validate control point accuracy

Communication Problems:

  • Check radio frequency conflicts
  • Verify cellular signal strength (network RTK)
  • Confirm Bluetooth pairing
  • Test with alternative communication method
  • Contact Red Edge support (2-hour response)

Maintenance and Care

Daily Field Maintenance

**Before Use