Sharp Echo
Five local news helicopters were covering the pursuit. In order to prevent a collision and keep clear of the police helicopter, Phoenix area news pilots used a system called Sharp Echo which required all of them operate on one frequency to communicate changes in position or intentions.
Read more about this topic: 2007 Phoenix News Helicopter Collision
Famous quotes containing the words sharp and/or echo:
“O for some sharp swish of a branch
there is no scent of resin
in this place.”
—Hilda Doolittle (1886–1961)
“The echo is, to some extent, an original sound, and therein is the magic and charm of it. It is not merely a repetition of what was worth repeating in the bell, but partly the voice of the wood; the same trivial words and notes sung by a wood-nymph.”
—Henry David Thoreau (1817–1862)