G01S 1/22

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
2020/0235,704 DEVICE FOR MODULATING A MICROWAVE SIGNAL, TRANSPONDER INCLUDING SUCH A DEVICE, AND RESPONDER BEACON EQUIPPED WITH SUCH A TRANSPONDERFeb 28, 18Jul 23, 20Not available
2013/0063,308 Cell Organization and Transmission Schemes in a Wide Area Positioning System (WAPS)Aug 02, 12Mar 14, 13NEXTNAV, LLC
2010/0207,820 DISTANCE MEASURING DEVICESep 04, 07Aug 19, 10THE CHUGOKU ELECTRIC POWER CO., INC., Radio Communication Systems Ltd.,
2010/0182,200 MAGNITUDE-SQUARED COHERENCE FILTERING IN A TIME DIFFERENCE OF ARRIVAL (TDOA) OR GROUP DELAY INTERFEROMETRIC GEOLOCATION SYSTEMAug 26, 09Jul 22, 10DRS SIGNAL SOLUTIONS, INC.
2010/0097,267 Determining a Geolocation Solution of an Emitter on Earth Using Satellite SignalsNov 13, 09Apr 22, 10Glowlink Communications Technology, Inc.
2009/0135,059 METHOD AND APPARATUS FOR PASSIVE SINGLE PLATFORM GEO-LOCATIONNov 27, 07May 28, 09THE BOEING COMPANY, BOEING, INC.,