Word: signalizes
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Dates: during 1920-1929
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After preliminary experiments it was found that the hour from nine to ten o'clock in the evening was on the whole best suited for determining the strength of the radio signals each night. The broadcasting station, WBBM of Chicago, maintained reliable consistency in power which it transmitted and communicated with the Astronomical Laboratory concerning any departures from normal conditions. The intensity of the signal strength measured is that of the carrier wave which is not apparently affected by the modulations of the program broadcasted...
While it has been evident that increasing sunspot activity has been accompanied in general with a decrease in intensity of radio signal strengths received, exceptions occur from time to time due, in part, to atmospheric and possible meterological changes. It has furthermore been possible to obtain a degree of correlation between barometric gradients and the intensity of reception received. It is by taking moving averages of several days data that the sunspot intensity correlation becomes markedly apparent...
...remarkable, too, that there has been no signal contribution to Christmas music in the last few years. Except for the one hymn of Phillips Brooks which is a part of every Christmas, the songs that are sung are those of men of two and three and more centuries ago, when Christmas meant more, perhaps, than it does now; written, not with skill according to technique, but from their hearts. That they are sung today without question, without thinking of the ignorance which put Palestine shepherds watching over their flocks in the snow that covered the more familiar English fields...
Goaded by this blasphemy beyond endurance, a local Frankfurt clergyman leaped up from his balcony seat signaled to the gallery. There parishioners and sympathizers sat in cheapest seats with stench and tear bombs ready. At the signal they let fly, aiming not at the players but at the patently godless Frankfurters who sat in orchestra stalls. Ladies in sparkling décolleté who had never smelt anything worse than an onion, found their gowns and hair suddenly reeking with a liquid that stank like putrid eggs. Gentlemen in evening dress who had never wept, shed rivulets as tear bombs...
...practical application. Is in automatic switching equipment. For instance, the central office desires to turn on a light or perform some similar operation in a distant power station where Televox has been installed and no human beings are present. The dispatcher at headquarters telephones the substation. Televox answers, the signal is given. Televox caries out the command, and reports that it has been done...