Word: radars
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Dates: during 1940-1949
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Thunderclouds-and the plane-racking turbulence that goes on inside them-are a constant menace to a pilot. He cannot always tell whether the cloud ahead is dangerous or not. Last week both the airlines and the U.S. Weather Bureau were peering into clouds with radar-which seems to be the way to spot a genuine thunderhead full of dreaded turbulence...
...Communism, stuffed 100-odd secret documents inside his shirt and walked out of the Russian Embassy in Ottawa. It took him 36 frantic hours tb persuade anyone to listen to his shocking story-that a handful of traitorous Canadians had sent to Moscow information of the greatest importance about radar as well as samples of precious uranium 235 from which the atom bomb is made...
...reason was easy to read in the sorry figures of Hawaii's weakness. In all the islands there are only 75 fighter planes -many obsolete or obsolescent. The Army has no night fighters, the Navy only a handful. Half the radar stations are useless because there are not enough men to operate them. There are only two antiaircraft battalions operating with modern (radar) fire control near Pearl Harbor...
...great open spaces will help aviation's most critical ill (congestion around busy airports, especially in thick weather) by spacing arriving planes. Two different methods are being tested to get them safely down out of the crowded air. One method: GCA (Ground Controlled Approach) watches the plane with radar while operators on the ground "talk" it down through the soup. The other: ILS (Instrument Landing System) guides the plane down a slanting radio beam...
...studies (plus practical flying tests such as U.S. Army B-29 crews are now making in the Arctic) will determine whether or not commercial airliners (and, of course, bombers) can fly over the Arctic to Europe and the Far East. Eventually some of the stations will be equipped with radar which can search out and plot the path of distant storms, and incidentally can be used for military observation posts if the need arises...