Radio navigation system

Details Radio navigation system Radio navigation system

2006-05-30

2006-05-30

Louis-Jacques, Jacques H. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Navigation

C701S213000, C342S359000, C342S386000, C342S442000, C342S463000, C343S815000

Reexamination Certificate

active

07054739

ABSTRACT:
Navigation apparatus that may include a radio receiver, at least one directional antenna communicatively coupled to the radio receiver, and a navigation computer including a memory and a processor. The navigation computer may be communicatively coupled to the radio receiver to receive relative bearing information from the directional antenna to a set of known radio transmitters, such as (but not limited to) commercial broadcast radio or television stations. Using a database stored in the memory that includes a record of position information and a record of radio frequency information for the set of known radio transmitters, the apparatus allows for the calculation of one or more reference positions using relative bearing information to the set of known radio transmitters and the stored, known positions of the set of known radio transmitters.

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English translation of abstract of EP 0 502 312.
C. Plath GmbH Hamburg—Coastal monitoring with the support of radio direction finding in the EEZ (Enhanced Economic Zone), http://www.plath.de/eng
ews—article02.htm, printed from the World Wide Web on Oct. 26, 2001.

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