Direction finding apparatus

Details Direction finding apparatus Direction finding apparatus

1989-09-18

1991-12-24

Issing, Gregory C.

Communications: directive radio wave systems and devices (e.g.,

Directive

Beacon or receiver

342434, 342444, G01S 504

Patent

active

050756966

ABSTRACT:
Direction finding apparatus comprising at least ten antenna channels for connection to respective antennae in use, at least five receiver channels each coupled to at least two different antenna channels constituting a group, and circuitry for receiving and comparing the outputs of the receiver channels to determine the angular location of the signal source; the arrangement being such that in use the antennae of each group of antenna channels have a sufficient angular separation such that only one is capable of detecting the signal source at one time, and the nearest neighboring antennae of each group are coupled to respective different receiver channels different from the receiver channel of that group.

REFERENCES:
patent: 3810082 (1974-05-01), Arens
patent: 4313117 (1982-01-01), Lipsky

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