Quote Originally Posted by tenaja View Post
Pics get pretty expensive once they let out a puff or two of smoke...
But that might be a one-time expense. The OP really hasn't provided sufficient detail. Even Melanie's educated string probably cannot hazard an educated guess. What's the duration of the communications link? Is it one-to-one or one-to-many? What type of messages? What's the terrain? Is the path horizontal or vertical? Is it level or does it span a canyon? How can a wire be routed? Stapled to tree trunks or utility poles, buried in a trench? Must it be taut or can it sag? Etc., etc.,...