Hi!
If you want to build your own permanent GNSS Base station with a SBC to play with your RTK Surveyor/Express/Facet or other GNSS things, I have a working solution with:
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Ready to flash image file for Raspberry Pi and Orange Pi Zero
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F9P automatic configuration (if usb connected)
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A Web Frontend
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Send the stream to a caster and/or run your own caster
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Signal levels
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Map
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Log
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And many other features
It’s FOSS and available here: https://github.com/Stefal/rtkbase
https://github.com/Stefal/rtkbase/raw/m … status.png https://github.com/Stefal/rtkbase/raw/m … ttings.png https://github.com/Stefal/rtkbase/raw/m … b_logs.png