Global navigation satellite system (GNSS) receivers improve surveying accuracy by using multiple global satellite systems and real-time kinematic (RTK) corrections. You then get accurate data collection that eliminates costly small errors, reworks and project delays while protecting your reputation. You can also reap the efficiency gains of using modern GNSS receivers, cutting fieldwork time, reducing operational costs and increasing your firm’s project capacity.
How GNSS Surveying Works
RTK is the key technology that powers GNSS surveying. It uses two receivers, one of which is the stationary base station. The other is the rover, the receiver you bring along with you to your jobsite. With traditional stand-alone GPS, you get accuracy errors from atmospheric signal delays and multipath errors. RTK can calculate and broadcast error correction data to the rover. The rover cancels out atmospheric and multipath errors in real time, delivering centimeter-level accuracy for day-to-day surveying tasks.
By receiving signals from multiple satellites like GPS, GLONASS, Galileo and BeiDou simultaneously, the receiver maintains a lock in challenging environments, like near tall buildings or under heavy tree canopy.
With Network RTK, you can improve the coverage of your entire operational area without the need for setting up your own base stations. Instead, your rover streams data from permanent base stations over the internet.
Benefits of High Precision GNSS Antennas
The precision of GNSS surveying offers many benefits, like:
- Verifiable accuracy: Eliminate rework by capturing legally defensible, centimeter-precise data on every measurement. GNSS gives you the confidence you need to keep projects moving.
- Increased field efficiency: Reduce man-hours and work significantly faster than with conventional methods, allowing you to complete more jobs. Instead of setting up multiple, time-consuming instruments to work around obstacles with a traditional total station, a surveyor with a GNSS rover can often capture all the needed points by walking the site.
- Safety and versatility: Capture points in hazardous or hard-to-reach locations without direct line of sight. This makes it safer to collect data on active roadways, across deep channels or on unstable surfaces.
- Seamless 3D model creation: Instantly capture the coordinates to build robust 3D site models for use in Building Information Modeling, volumetric calculations and automated machine control systems.
Find the Ideal GNSS Receivers for Surveying Accuracy
When considering GNSS solutions for your surveying needs, you need quality hardware from a partner you can depend on. Monsen Engineering is the trusted provider of industry-leading Trimble GNSS receivers, renowned for their cutting-edge technology that handles the toughest terrain and tasks. Browse our range of Trimble GNSS receivers today. Need help selecting a solution for your project? Contact us to find the best model for the job.
