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
21
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The “V” aerial and also the inverted “L” type both
receive waves much better when they come from a direc-
tion opposite to that in which the free end points.
Fig. 19.—A diagram showing the arrangement of a “T” aerial.
Probably the most interesting feature of the directive
action of aerials lies in the fact that a land station is able
to determine the approximate bearing of a ship signaling
with a horizontal aerial.
Fig. 20.—Flat top aerials of the inverted “U” and “T” types.