{"id":8230,"date":"2025-05-12T17:40:37","date_gmt":"2025-05-12T15:40:37","guid":{"rendered":"https:\/\/protrack.studio\/blog\/?p=8230"},"modified":"2025-06-27T17:21:08","modified_gmt":"2025-06-27T15:21:08","slug":"base-rover-gnss-what-it-is-what-its-for-and-how-to-set-it-up","status":"publish","type":"post","link":"https:\/\/protrack.studio\/blog\/en\/base-rover-gnss-what-it-is-what-its-for-and-how-to-set-it-up\/","title":{"rendered":"Base + Rover GNSS: What It Is, What It’s For, and How to Set It Up"},"content":{"rendered":"

Do you need to achieve centimeter-level accuracy<\/strong> in your topographic, agricultural, or environmental surveys? In this article, you\u2019ll discover what a Base + Rover GNSS system<\/strong> is, why it\u2019s essential for professional surveys, and how it works in practice. From the difference between base and rover, to the methods for transmitting RTK<\/strong> corrections, and the step-by-step configuration using simple devices like ProTRACK<\/a><\/strong>.
\nA complete overview for working reliably, even without an internet connection.<\/p><\/blockquote>\n\r\n\r\n<\/a>\n

Why do you need a Base + Rover GNSS system?<\/h3>\n

Have you ever tried surveying with a basic GPS and noticed the results were far from accurate? Maybe you ended up with points off by several meters and with data unusable for a technical project. In such cases, you\u2019ve probably asked yourself if there\u2019s a way to achieve centimeter-level accuracy.<\/p>\n

The most common answer to this need is called a Base + Rover GNSS system.<\/p>\n

A standard GNSS receiver, if used alone and without corrections, has an accuracy range of 1 to 3 meters and, in unfavorable conditions, even worse. If your job requires knowing the position with a maximum error of just a few centimeters<\/strong>, then you need something more advanced: an RTK system using the Base + Rover<\/strong> configuration.<\/p>\n

In short, it consists of two GNSS devices working together: one (the base) remains fixed on a known point and transmits corrections; the other (the rover) moves and receives these corrections to improve its position in real time.<\/p>\n

What is a GNSS Base and what is a Rover?<\/h3>\n

In detail:<\/p>\n

The GNSS Base<\/strong> is a receiver placed on a fixed point (ideally known with exact coordinates) that transmits correction data in real time.<\/p>\n

The GNSS Rover<\/strong> is the mobile receiver that receives these corrections and calculates its position with an error margin of just a few centimeters.<\/p>\n

The connection between the two can occur via:<\/p>\n