I've done 170' w/o any safety equipment. Checking line of sight from top of a downtown building (7 stories + 100' radio tower on top of it) to the city utility tower ~4 miles away when working on a microwave project.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.