Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1978-01-27
1979-12-18
Wilbur, Maynard R.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
235412, 343112C, 364460, G01S 502
Patent
active
041796977
ABSTRACT:
The present invention relates to a target location method, and more particularly to such a system using passive listening devices to determine the range, course and speed of one or more targets simultaneously. The invention may be used effectively against targets which emit either continuous or pulsed electromagnetic energy signals.
REFERENCES:
patent: 2921306 (1957-01-01), Jaffe
patent: 3304409 (1967-02-01), Snowdon et al.
patent: 3378842 (1968-04-01), Phillips
patent: 3710331 (1973-01-01), Kiisk
Berger Richard E.
Brunda Bruce B.
Geib Richard G.
Grumman Aerospace Corporation
Wilbur Maynard R.
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