From GPS to GNSS: What’s Next in Jobsite Positioning?

Precision matters more than ever on the jobsite—and traditional GPS just isn’t cutting it anymore. Enter GNSS (Global Navigation Satellite Systems), a broader, more advanced approach to location technology that’s changing the way layout, surveying, equipment tracking, and logistics are handled in the field.

So, what exactly is GNSS, and how is it different from the GPS we’re all used to? And more importantly, what does it mean for sub-trades looking to stay ahead? Let’s break it down.

GPS vs. GNSS: What’s the Difference?

More satellites = better accuracy and reliability in tough conditions (urban sites, canyons, tree cover)
GNSS-enabled receivers can lock onto multiple systems at once for faster and more stable location data
It’s becoming the new standard in layout and surveying tools

Example in Action:

A civil contractor working on a multi-phase road project switched to GNSS-enabled layout equipment. Unlike previous GPS tools that often dropped signal in narrow corridors, the new setup maintained reliable positioning—saving them hours of rework and survey retries each week.

How GNSS Benefits Sub-Trades

Beyond survey teams, GNSS is helping subs improve efficiency and reduce downtime:

Machine control: GNSS-enabled excavators and graders can self-adjust to site plans
Asset tracking: Know exactly where high-value tools and equipment are—even across large or remote jobsites
Layout automation: Reduce the need for re-measuring by locking in precise, repeatable points from the model
Delivery coordination: Improved logistics when material drop-offs and mobile crews can be tracked in real-time

What to Watch For

GNSS tools are powerful—but like all tech, they come with a learning curve:

Upfront cost: GNSS receivers and subscriptions are an investment
Training: Field teams need time and support to get comfortable with new tools
Calibration and data management: As with GPS, poor setup or outdated files can still cause layout issues

Practical Takeaways for Sub-Trades

Thinking about adding GNSS to your toolkit? Start here:

Evaluate your needs: Are you doing layout, machine control, or tracking? GNSS tools vary in purpose and cost
Talk to your GC: Larger jobs may already be using GNSS systems—make sure yours is compatible
Pilot on a project with layout complexity or large open spaces where GNSS will shine
Work with a supplier or rep who offers hands-on training and support—not just a box of gear

Final Thoughts

GPS got us started. GNSS is where things are headed. For sub-trades that depend on accuracy, coordination, and time savings, these next-gen tools offer a clear advantage.

Because when you know exactly where you stand—you can move a lot faster.

*Brought to you by Plexxis Software: Offering software solutions for the construction industry that integrates cloud, mobile and on-premise software to improve and enhance team performance.