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Ell C IntroductionThe RTK Surveyor from SparkFun is your one stop shop for high precision geolocation and surveying needs. For basic users, it’s incredibly easy to get up and running and for advanced users, the RTK Surveyor is a flexible and powerful tool.
SparkFun RTK Surveyor GPS-18443The SparkFun RTK Surveyor is an enclosed and ready to use GNSS receiver for centimeter-level positioning. No programming requ…
With just a few minutes of setup, the RTK Surveyor is one of the fastest ways to take centimeter grade measurements.
An RTK Fix in SW Maps
By connecting your phone to the RTK Surveyor over Bluetooth, your phone can act as the radio link to provide correction data as well as receive the NMEA output from the device. It’s how $10,000 surveying devices have been operating for the past decade - we just made it easier, smaller, and a lot cheaper.
Required MaterialsWhile the RTK Surveyor is nicely enclosed you will need a few cables and antennas to make everything work. We'll go into the specifics of how to hook things together but in general you will need to get a good quality L1/L2 antenna:
Depending on your setup you may want to use your phone for RTCM correction data. If a source is not available online, you will need a 2nd RTK Facet setup in base mode and a radio link connecting the Base to the Rover. We'll go into details but we designed RTK Facet to work with these 100mW 915MHz telemetry radios out of the box. You will also need an adapter cable between the Telemetry Radio and RTK Surveyor.
To charge the RTK Surveyor you will need a USB C cable and a power supply. SparkFun carries a few options:
Reversible USB A to C Cable - 0.8m CAB-15425These 0.8m cables have minor modifications that allow them to be plugged into their ports regardless of orientation on the US…
Suggested ReadingGNSS RTK is an incredible feat of engineering that has been made easy to use by powerful GNSS receivers such as the ZED-F9P by u-blox (the receiver inside RTK Surveyor). The process of setting up an RTK system will be covered in this tutorial but if you want to know more about RTK here are some good tutorials to brush up on:
What is GPS RTK?Learn about the latest generation of GPS and GNSS receivers to get 14mm positional accuracy!
Setting up a Rover Base RTK SystemGetting 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.
How to Build a DIY GNSS Reference StationLearn 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!
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