nostr:nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpq6uk4yyw47haxwl0klhh7lcx3qatkyqmpc6gc4hwru3qedaeuueequhs06p
The other aspect of alternative communications that I've been very curious about for a while is the LoRa mesh networks. Very low bandwidth, but enough for text.