Word: static
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...Bureau and the radio beams which it operates. Cowed by this abuse, Director of Air Commerce Eugene Vidal stalwartly defended his organization at the meeting but admitted it needed funds. The airline operators, equally cowed, shunted blame onto radio failure because of such weather conditions as rain static. The conferees got together on an eleven-point program of improvements for radio and the Bureau,* scuttled home. Scarcely had they settled down last week when there came another major crash about which two things were immediately apparent-that neither radio nor the Bureau of Air Commerce was to blame...
...causes of radio static has been discovered as the result of the development of a new instrument which enables scientists to detect imperfections in insulations used for very high voltages. The device, a perfected high-voltage bridge, has been developed at the Graduate School of Engineering by Chester L. Dawes, associate professor of Electrical Engineering, and Reuben Reiter...
Experimentation has revealed that atmospheric humidity is an until now unsuspected cause of inefficiency in porcelain and glass electrical insulators such as are used on high-tension lines. It appears that one of the causes of radio interference is due to the high-voltage "static" discharges over the surface of such insulators...
...drought. Astronomers agree, however, that at times of sunspot intensity more ultraviolet radiation comes from the sun to earth, the air averages about one degree cooler, slightly more rain falls and there are disturbances of the terrestrial magnetic field. At such times ordinary radio reception is more troubled by static. But a U. S. Bureau of Standards scientist has found evidence that ultra-short-wave reception is better in the daytime when sunspots are rampant (TIME...
...device that TWA was demonstrating at the moment WAE's plane was crashing is similar to Pan American's. Called "the radio direction-finder and anti-rain-static loop antennae," it was developed by TWA's communications department under Engineer John Curtis Franklin. Radio direction-finders are not new, come in a half-dozen makes (TIME, March 25, 1935). In general they are doughnut-shaped loops sticking through the fuselage. By turning the loop and listening, the pilot can learn the direction of any radio station, for when the loop faces directly toward the station the signals...