Abstract
This paper describes a system of stagger-tuned high-Q loop antennas designed for 100 kc Loran pulse reception. The individual loop antenna outputs are first added in a summing amplifier followed by a grounded-grid amplifier and a cathode-follower stage before being fed to the receiver. Based upon preliminary theoretical analysis, an experimental antenna array is developed, which confirms its capability of achieving a wide bandwidth with relatively small dimensions. A squaring scheme of obtaining omnidirectional reception property is suggested; and a modified electrolytic tank method, which is adaptable to the present system in synthesizing a given response characteristic, is also described.
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