Glad to hear that your working on LoRa for nostr. After struggling to add value to nutband I shifted my attention to OpenWRT and WiFi captive portals that accept Bitcoin. 

I think nostr relays are the perfect glue for various transport solutoons interfaces like LoRa, TCP/IP or ham radio. 

 RFC 1925, 6(a): It is always possible to add another level of indirection.

https://www.rfc-editor.org/rfc/rfc1925