The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 27, 2013
Filed:
Dec. 13, 2007
Applicants:
Thomas L Ainsworth, Burke, VA (US);
Gerald Nedoluha, Bowie, MD (US);
Inventors:
Thomas L Ainsworth, Burke, VA (US);
Gerald Nedoluha, Bowie, MD (US);
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01S 19/14 (2010.01); G01S 19/53 (2010.01);
U.S. Cl.
CPC ...
Abstract
A method and system for determining a bending angle and/or the presence of atmospheric ducting. An array of antennas is used in order to form an interferometer. The interferometer receives signals from GPS satellites and uses the index of infraction in order to determine a bending angle of the GPS signals and/or the presence of atmospheric ducting.