RTK base station on ESP32

[Sergei Grichine]

For those interested in centimeter-level localization outdoors, I published my code and schematics on GitHub:

https://github.com/slgrobotics/Esp32_RTK_BaseStation

The idea is to provide public service - broadcast RTCM GPS correction messages over the Internet, through an RTK2GO.com "NTRIP Caster" service. Those messages can be used by anybody with an RTK-capable GPS and Internet connection within 10 kilometers from the base station. 

My base station can be seen at http://rtk2go.com:2101/  under "AlabamaSylacauga" name. Scroll down to see map of all stations across the world. Sorry, Californians - you are too far, get your own base station! 🙂

Best Regards,

-- Sergei

[Marco Walther]

Is that the complete list of RTCM messages, the F9 needs/provides? I
thought, there are some more?!

-- Marco

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[Sergei Grichine]

@Marco: there are more messages available from F9P, those which are needed for reliable rover RTK operation in the US are selected in GNSS setup(). Others relate to obscure satellite constellations or are informational in nature. To save bandwidth they are excluded. I am not an expert on that, the setup routine came from SparkFun. My rover works fine with that set.

Best Regards, 
-- Sergei Grichine 

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