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:
Jul. 09, 2024
Filed:
Dec. 21, 2021
Satelles, Inc., Reston, VA (US);
H. Stewart Cobb, Reston, VA (US);
Mark Hargrove, Vienna Santa Clara, VA (US);
Jerry Goetsch, Reston, VA (US);
Gregory Gutt, Herndon, VA (US);
Dan Higgins, Reston, VA (US);
Pete Johnson, Reston, VA (US);
Trevor Landon, Vienna, VA (US);
David G. Lawrence, Santa Clara, CA (US);
Michael L. O'Connor, Redwood City, CA (US);
Mark Pedersen, Reston, VA (US);
Rachel Schmalzried, San Jose, CA (US);
Francois Tremblay, Reston, VA (US);
Satelles, Inc., Reston, VA (US);
Abstract
For global navigation satellite system (GNSS)-independent operation of auxiliary PNT systems, one or more ground stations of the auxiliary system have access to a non-GNSS source of precision timing. That source and known locations of the ground stations may be used to derive timing corrections to account for imperfect clocks in the satellites for non-purpose-built satellite systems being used for PNT. Crosslinks between satellites and/or propagation of timing correction through other ground stations are used to better control the timing and resulting precession of PNT in the PNT auxiliary system. The timing correction may be provided as a service to end users, other constellations, and/or other satellite operators.