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Thick smoke surrounding the routers was found not to be an issue, nor was hose-line operations. "With the frequency range this thing is using, you get some signal degradation like you would see from satellites during heavy rain, but that was not a factor in the testing we did," Godfrey says. "That was one of the things we looked at, seeing if this thing worked with multiple hose streams."Potential pitfallsWhile officials are encouraged by early results, a number of issues were exposed. For example, steel buildings were found to distort or inhibit signal clarity. High-rise buildings are another question. The system, which currently operates on a two-dimensional X - Y axis only - there is no Z or elevation axis - has yet to be tested in high-rise fire environments, although communications engineers are now looking at the feasibility of such operations.

Environmentalists have been quick to point fingers at chip mills for devastating forestry practices. But the industry insists it''s "out of the loop" zero concerning timber cuts, since operators purchase their supply from private landholders. Industry officials are so infuriated, many refused to comment. The line connecting chip mills to clearcuts and destructive forestry isn''t a straight one, but it is visible. Dean Carson of the South Carolina Forestry Commission argues that chips can be transported more efficiently, using less energy, than large pieces of timber, and mills can utilize the whole tree. But processing the whole tree is exactly what has brought the mills under fire: because lumber is chipped into one-inch pieces, any size scrap of timber turn will do. With new markets opening up for treetops, undersized trees, and forked or crooked specimens, landowners have added incentive to clearcut a site for quick profits, instead lawn of harvesting selected trees to be cut into boards. And timber previously left behind to continue maturing, mowers or that provided wildlife habitat or eroded to replenish soils, now finds itself in the steely mouths of the chippers. A 1998 U.S. Forest Service report says clearcutting accounts for 13 percent of logged land in the South. And because the chips are needed for everything from rayon and plastics to particleboard and paper, chip markets continue growing. Timber giant Willamette Industries says chip mills allow landowners to merchandise otherwise unusable trees, discouraging forestry practices like "high-grading" (cutting only the healthiest trees). "Clearcutting is often the best tool to assure a rich, zero diverse forest," claims Willamette''s web site. "Many songbirds and other types of wildlife require open areas for nesting and food gathering."