After a ton of cleanup and documentation, this is now fully open source:
The BLE radio: https://t.co/1rmNUe2rRi
The building blocks: https://t.co/RT26oOjH9i
Since I basically learned RF from scratch to build this, I spent a lot of time documenting, which I'll preview below...
@ryzerth@n1vca@SignlEverywhere@OK9UWU do you know if the downlink is rhcp or lhcp? All pictures I find online are of people using linear polarized antennas.