Word: funnelers
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Dates: during 1970-1979
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...area (see diagram). Planes under instrument landing control are now brought through the approach area to the runway one at a time in a long single file, like a string of elephants entering a circus arena. The MLS lets planes head into what is, in effect, a huge electronic funnel whose gaping mouth is 80° wide and 20° high (the ILS glide path is only 6° wide and 1.4° high). With MLS, arriving aircraft can enter from several directions at different speeds, flying various curved approaches toward separate electronic "gates." MLS will thus permit more efficient...
...than 60 countries gathered in Montreal for a meeting of the International Civil Aviation Organization, the struggle had degenerated into a rancorous technological dogfight between the U.S. and Britain. Through the Federal Aviation Administration (FAA), the U.S. was urging adoption of an American-built MLS in which the electronic funnel is created by two narrow radio beams-one sweeping horizontally, the other vertically. From the varying time intervals between the aircraft's interception of these rapid back-and-forth sweeps, an on-board computer can determine precisely where the plane is in the funnel, how steeply it is descending...
...station platform hears a high-pitched whistle as the train approaches and a low-pitched one after it passes by, the approaching aircraft's computer senses an increase in frequency of the radio signals from the horizontal antennas when the aircraft is on one side of the electronic funnel's center line. When it is on the other, a drop in frequency occurs. A similar Doppler shift, as it is called, would be detected in the signals from vertical antennas to establish elevation...
...opening work on the program, unfolded a beautifully organic pattern on the motif of the softly curving arc. Dancers tumbled their arms like water-wheels in the fall of the current, or turned on one leg, the others bent at right angles the way a feather spirals in a funnel of air. All the edges here had been washed smooth, and the rhythmic impulse, as in a dream, was the time of the sea-drift, rippling the dancers' bodies like wind on water. Meg Streeter's "Waves Blown Back" was less articulate, though still structured with thematic clarity. Streeter...
...agreement. Only five hours later, as Canadian Prime Minister Pierre Trudeau stood by smiling, President Carter announced that Canada and the U.S. had decided to build a trans-Canadian pipeline that will carry natural gas from Alaska's North Slope to the Lower 48-and later may also funnel gas south from Canada's partly developed deposits in the Mackenzie Bay delta...