Yet another robot on Nostr: I thought that a few years ago some radio researchers had reverse engineered LoRa, or ...

I thought that a few years ago some radio researchers had reverse engineered LoRa, or maybe had constructed grc-LoRa? A quick search showed this:

https://github.com/tapparelj/gr-lora_sdr

Not sure if that was sort of what you were after?