How do GPS Line Markers work?

How do GPS Line Markers work? In short, these innovative devices utilize Global Positioning System (GPS) technology to create accurate and precise lines across various applications and surfaces. In this article, we will delve into the inner workings of GPS line markers, providing a comprehensive understanding of how they function and how the Swozi Cart Pro line marking solution can optimize your line marking process.

The Basics: Demystifying GPS Line Markers

GPS Technology

At the heart of GPS line markers is GPS technology, a satellite-based navigation system that enables precise positioning and tracking. GPS line markers receive signals from multiple satellites orbiting the Earth to determine their exact location. These signals contain information about the satellite’s position and the time the signal was transmitted.

Satellite Signal Reception

To initiate the line marking process, GPS line markers must receive signals from a sufficient number of satellites. Typically, a minimum of four satellite signals is required for accurate positioning. These signals are received by the GPS receiver within the line marker device.

Position Calculation

Once the GPS line marker has received signals from the satellites, it performs calculations to determine its precise position on the Earth’s surface. By measuring the time it takes for the signals to travel from the satellites to the receiver, the GPS line marker can calculate the distance to each satellite. By combining this information from multiple satellites, the device triangulates its exact position using a process called trilateration.

Line Marking Path Generation

With the precise position information obtained from GPS technology, the line marker device generates a line marking path. The operator typically inputs the desired line parameters, such as width, length, and any specific design requirements. Using this information, the GPS line marker calculates the path necessary to create the desired lines accurately.

Line Marking Execution

Once the line marking path has been generated, the GPS line marker is ready to execute the marking process. The device utilizes various mechanisms, such as sprayers, rollers, or brushes, to apply paint or other marking materials onto the surface. The line marker’s internal system, coupled with the GPS technology, ensures that the lines are marked with exceptional precision, following the calculated path.

How the Swozi Cart Pro does it

Get 100% accuracy, regardless of your location with the Swozi’s high-precision positioning technology. Achieve consistent results without compromise by choosing the best signal source for your requirements.

GPS Base Station


  • Lease/buy options available
  • No mobile phone coverage required

How does it work?

  1. Mount your base station anywhere on the sports field
  2. Turn it on
  3. Off you go


  • Simple one-button operation
  • RTK base (GPS & Glonass)
  • 500m line of sight distance
  • Long-life battery (up to 8h of operation)
  • Comes with SWOZI RTK base and Tripod

GPS Subscription


  • No additional hardware required
  • Convenient signal subscription service
  • Always up to date

How does it work?

  1. Get a centimetre signal subscription
  2. Off you go


  • Available on Android devices including phones and tablets
  • Remote service capability

Laser Tracker

The Laser Tracker is for when GPS signals are blocked by objects or for indoor use. Ideal for stadium use or areas where GPS signal reception is limited.


  • mm accuracy in a stadium or indoors
  • Simple seamless integration with your SWOZI equipment

How does it work?

  1. Set up laser tracker anywhere in the field
  2. Turn it on and point it towards the prism on your line marking machine
  3. Off you go


  • Seamless data integration between GPS and laser tracker
  • 500m line of sight distance
  • Long-life battery (up to 8h of operation)
  • Comes with Laser Tracker, Prism and Tripod

Benefits of GPS Line Markers

Accuracy and Precision: GPS line markers offer unparalleled accuracy, ensuring consistent and precise line markings across various applications.

Time and Cost Efficiency: The use of GPS technology eliminates the need for manual measurements and calculations, significantly reducing the time and effort required for line marking tasks. This efficiency translates into cost savings for businesses and organizations.

Flexibility and Customization: GPS line markers can generate lines of varying widths, lengths, and designs, catering to specific requirements of different applications and surfaces.

Consistency and Standardization: With GPS line markers, line markings remain consistent in terms of spacing, dimensions, and alignment, ensuring adherence to regulatory standards and enhancing safety.


GPS line markers revolutionize the line marking process by leveraging the power of GPS technology. By accurately determining their position and generating precise line marking paths, these devices optimize efficiency, accuracy, and consistency in line marking across diverse applications and surfaces.

Get in touch today and find out how the integration of GPS technology into your line marking processes can improve productivity but also reduce manual errors and enhances overall quality.