https://downloads.rakwireless.com/en/LoRa/RAK2245-Pi-HAT/Firmware/
https://www.sparkfun.com/products/15336
(See Adafruit tutorial: https://learn.adafruit.com/the-things-network-for-feather/payload-decoding)
https://github.com/mcci-catena/arduino-lmic
https://github.com/EnviroDIY/Arduino-SDI-12
(See reference doc for Acclima sensors: https://acclima.com/prodlit/TDR%20User%20Manual.pdf)
(Not currently used, but contains useful reference methods) https://github.com/thesolarnomad/lora-serialization/blob/master/examples/main_encoder_LoraMessage.ino
https://github.com/mafintosh/hyperssh
https://forum.chirpstack.io/t/multiple-bands-on-the-same-server/2808/2