Hey this is Andrew back up here on orcas.

Heres a couple links to what happened up here with creating a wifi source for the island. 

An article.

https://arstechnica.com/information-technology/2015/11/how-a-group-of-neighbors-created-their-own-internet-service/

And the website.

https://dbiua.org

He puts a lot of technical data too, probably tons of stuff to use.