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GPS/GNSS Surveying offers the professional advice in choosing the best GPS 2 grade surveying systems at most affordable prices as choosing the right GPS grade is difficult task. Visit us for more information.
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About GPS/GNSS Surveying

Surveying and Mapping are now smarter and faster than ever thanks to robust GPS/GNSS Systems. A GPS/GNSS System is a great alternative to traditional optical and mechanical methods of surveying which uses theodolites and other distance measuring equipment that utilizes angular and linear measurements and the principles of geometry and trigonometry. Upgrade your surveying and mapping results with the power of trusted GPS/GNSS systems.

How to Find the Best GNSS Receiver

Choosing the best GNSS Receiver for surveying, GIS, and construction involves careful consideration of the required level of accuracy, resilience, and cost. Each project is different and may have different requirements. Read on for tips on selecting the best GNSS surveying instrument. 


Top-of-the-line GNSS Receivers have centimeter to millimeter accuracy for RTK and static surveying. The Geomax Zenith16 GNSS Receiver, for example, has an RTK accuracy of 10mm + 1ppm and Static accuracy of 5mm + 0.5ppm. These extremely high accuracy levels come at a cost, of course, so it’s important to know what kind of accuracy you need for the job and start from there.

GNSS Surveying Setup

The two most common GNSS Surveying setups are static and RTK. Static surveying involves two stationary GNSS receivers tracking the same satellite signals over an extended period of time. RTK, or Real Time Kinematic, involves the use of a stationary GNSS Receiver as the base station and a moving receiver called the rover. The gathered positioning data in RTK Surveying are corrected in real-time, hence the name. If you will use RTK Surveying, you will need an RTK GNSS Receiver that is capable of receiving and incorporating GNSS correction data. 


A lot of factors like trees or building obstructions can make it hard for GNSS Receivers to receive satellite signals. Choose a GNSS Receiver with advanced features to mitigate these potential problems. For example, a multi-frequency and multi-constellation receiver can still provide reliable data despite signal obstructions.

Other factors that need to be considered are the ruggedness of the GNSS Receiver (whether it can withstand tough working conditions), size and weight for portability, and battery life.

Where to Buy GPS/GNSS Receivers

A GPS/GNSS Receiver is a major investment that will pay for itself by elevating the standard of quality and speed of every project. Make sure to purchase from a trusted authorized dealer of the top GNSS Receiver manufacturers including Leica, Spectra Geospatial, Geomax, and e-Survey.

Tiger Supplies is a proud dealer of survey-grade GPS/GNSS Receivers from major brands. But we don’t stop at selling. We provide all the needed assistance to our customers from first contact until after the product arrives at your door. We are easy to reach via email, live chat, and phone. Browse our shop for advanced GPS/GNSS Receivers as well as GNSS accessories including GPS rover rodscommunication radios, and GNSS processing software

Watch, Learn and Get to Know
Topcon's TP-15 Tripod - Product Overview
Surveyor Marianna recommends Topcon’s TP-15 Surveying Tripod for those looking for a tripod that will last for years. Its unique circular head makes leveling instruments much easier than a typical triangular head, and the wood-fiberglass mixed material makes it durable and heavy-duty.
Introduction to Total Stations - Shop Talk
Mike and Marianna discuss the different types of total stations and the factors to consider when purchasing one. The total station itself is only a piece of the puzzle, and much more must be considered when purchasing, including getting the right data collector and software.

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