Wireless Telegraphy and Telephony

Forfatter: Alfred P. Morgan

År: 1917

Forlag: The Norman W. Henley Publishing Company

Sted: New York

Udgave: Third Edition, Fully Illustrated

Sider: 33

UDK: 621.396.1 Mor

A practical Treatise on Wireless Telegraphy and Telephony, giving Complete and Detailed Explanations of the Theory and Practice of Modern Radio Apparatus and its Present Day Applications, together with a chapter on the possibilities of its Future Development

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WIRELESS TELEGRAPHY 15 Locality is another factor which usually receives a fair share of attention in selecting the site. Certain sections of the country, for seemingly no apparent reason, are very hard to transmit messages, either to or from. Wireless stations located on the Pacific Coast, for instance, are more efficient than those situated along the Atlantic seaboard, Fig. 13.—Lightning discharge near Montclair, N. J. while those in the tropical regions are only able to send short distances in comparison to those farther north or south. Messages seem to travel better in the direction of the lines of longitude than along the lines of latitude. Static,” that “bugbear” of the wireless operator, is very much more in evidence in the eastern parts of the United States and in South America than it is on the western coast of the country. If any one should ask a wireless operator what “static” is, he would probably reply, “a nui-