The National Park Service has proposed building a new radio communications system that includes a dozen new radio towers for the North Cascades National Park. The new system, intended to improve radio communications for Park Service employees, would replace the park's wideband radio system with a narrowband system. A Park Service spokeswoman says the towers are needed to comply with federal regulations and will improve communications in an area where radios often are unusable. They won't be useful to hikers in the park with cellular phones.
(that last statement is an interesting but maybe a useful one as it explained to Joe Public what it won't do)
http://kiro710.com/Article.asp?id=168769&spid=7564