High Precision Solutions for Positioning, Navigation, and Timing. 

SurveyorsSurveyors

Fully enclosed products ready for professional-grade surveying or personal use.

Reference StationsReference Stations

Dedicated base stations in aluminum housing fit for permanent installation.

Timing DevicesTiming Devices

Precision Timing devices that can bring sub-nanosecond accuracy to your next project or experiment.

PNT AccessoriesPNT Accessories

Essentials including multiband antennas, the telescoping surveying pole, and hardy carrying cases.

SparkFun RTK Facet on monopoleSparkFun RTK Facet on monopole

Featured Products


RTK Everywhere

SparkPNT products are supported by RTK Everywhere; a flexible and powerful firmware layer that enables advanced features and broader correction compatibility across devices.

Helpful Resources


Learn how to hookup your surveyor, build a reference station or set up a rover base with our helpful resources below.

GNSS hardware being hooked upGNSS hardware being hooked up

Interested in high precision GNSS without setting up a base station?

SparkFun RTK Surveyor Hookup GuideSparkFun RTK Surveyor Hookup Guide

RTK Everywhere is our new firmware for our enclosed PNT products. Learn more about what it can do and why we developed it.

SparkFun RTK Express Hookup GuideSparkFun RTK Express Hookup Guide

Correction data is used in surveying and navigation to enhance the accuracy of GNSS. Take a deep dive with us!

How to Upgrade Firmware of a u-blox GNSS ReceiverHow to Upgrade Firmware of a u-blox GNSS Receiver

A few steps and you'll upgrade to the latest features on a u-blox GNSS receiver.

How to Build a DIY GNSS Reference StationHow to Build a DIY GNSS Reference Station

Learn how to affix a GNSS antenna, use PPP to get its ECEF coordinates and then broadcast your own RTCM data over the internet and cellular using NTRIP to increase rover reception to 10km!

Setting up a Rover Base RTK SystemSetting up a Rover Base RTK System

Getting GNSS RTCM correction data from a base to a rover is easy with a serial telemetry radio! We'll show you how to get your high precision RTK GNSS system setup and running.

What Is GPS RTK?What Is GPS RTK?

Learn about the latest generation of GPS and GNSS receivers to get 14mm positional accuracy!

Real Time Kinematics (RTK) ExplainedReal Time Kinematics (RTK) Explained

Watch a video explaining the functionality of RTK and see a few use cases in action.

What is Tilt Compensation? articleWhat is Tilt Compensation? article

When surveying out in the field, being on a tilt can affect data accuracy. See how we remedy that.