this space will discuss the issues that could help in building an affordable wireless ISP for rural and remote areas (preferably using non-conventional approaches).

all the best to us.

let's discuss and deploy

http://forum.mikrotik.com/viewtopic.php?t=107452

#1 - Hire an engineer, especially if you're looking for "creative" ways to do things. "Creative" solutions may work, but doing things in a non-standard way can really come back to haunt you.