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James Cameron: Avatar sequels to draw on master navigators (Rebecca Keegan, Los Angeles Times)



Chronology (Clock, Calendar)
Geography (Map, Navigation)


These are organized by a classification scheme developed exclusively for Cosma. More…



navigation : the science of getting ships, aircraft, or spacecraft from place to place ; especially : the method of determining position, course, and distance traveled — Webster

Oxford, OneLook, Free Dictionary, Wiktionary, InfoPlease, Urban Dictionary


Roget’s II (, Merriam-Webster Thesaurus, Visuwords


Navigation is the process of monitoring and controlling the movement of a craft or vehicle from one place to another. It is also the term of art used for the specialized knowledge used by navigators to perform navigation tasks. All navigational techniques involve locating the navigator’s position compared to known locations or patterns. — Wikipedia



Celestial Navigation Practice (Celestial


WolframAlpha, DuckDuckGo


First Evidence of Viking-Like ‘Sunstone’ Found (Megan Gannon, Live Science)
Evidence of Fabled Viking Navigational Tool Found (Jennie Cohen, History)


Celestial Navigation
History of Navigation (ABC)
History of Navigation Interactive Tutorial (BBC)
History of Navigation (Wikipedia)


Quotations Page


Institute of Navigation Museum


WorldCat, Library of Congress, UPenn Online Books, Open Library



Five ways to improve your navigation skills (Mountain Bike Rider)


Navigation Courses and Events (REI)
OER Commons: Open Educational Resources


Royal Institute of Navigation


Lifehacker, World Maritime News, NPR Archives




U.S. Coast Guard Navigation Center




GPS Navigation Humor (GPS Insight)


OEDILF: The Omnificent English Dictionary In Limerick Form


Satellite navigation – the next ten years (The Science Geek)



Civil GPS Service Interface Committee - Recent Updates Civil GPS Service Interface Committee - Recent Updates

  • CGSIC Bulletin: GPS III Space Vehicle 01 Launch
    on December 14, 2018 at 1:45 pm

    All CGSIC, GPS III Space Vehicle 01 Launch scheduled for 18 December 2018 Space and Missile Systems Center Los Angeles AFBPublished on Dec 12, 2018 There’s an excitement in the air.  Can you feel it? For the past seven weeks, we’ve provided you a “behind the scenes” look of what it takes to prepare for the inaugural launch of GPS III Space Vehicle 01, also known as “Vespucci.” […]

  • CGSIC Bulletin: GPS Directorate Requests...
    on December 6, 2018 at 2:38 pm

      All CGSIC, GPS Directorate Requests Additional Public Comment Following the 2018 Public Interface Control Working Group (ICWG) in September, the GPS Directorate invites additional public comments on the following Proposed Interface Revision Notices (PIRNs) due to the nature of changes since the June 2018 review. Find these documents in the Public ICWG section of PIRN-IS-200J-001, v2: NAVSTAR GPS Space Segment / Navigation User Interface PIRN-IS-705E-001, v2: NAVSTAR […]

  • CGSIC Bulletin: 2nd SOPS Reaches GPS Milestone...
    on December 3, 2018 at 6:16 pm

      All CGSIC, 2nd SOPS Reaches GPS Milestone with AEP 7.5 Command The 2nd Space Operations Squadron took formal command of Architecture Evolution Plan 7.5, the largest GPS architectural change in operational history, after its successful installation at Schriever Air Force Base, Colorado, Nov 16, 2018. “AEP 7.5 is a milestone in GPS history and improves our cybersecurity capabilities and postures us to better operate in a contested, degraded and operationally limited […]

  • CGSIC Bulletin: National Space-Based Positioning,...
    on November 20, 2018 at 11:36 am

      All CGSIC, National Space-Based Positioning, Navigation, and Timing (PNT) Advisory Board meeting scheduled for 5 December 2018 AGENCY: National Aeronautics and Space Administration (NASA).   ACTION: Notice of meeting. SUMMARY: In accordance with the Federal Advisory Committee Act, as amended, and the President's 2004 U.S. Space-Based Positioning, Navigation, and Timing (PNT) Policy, the National Aeronautics and Space Administration (NASA) announces a meeting of the National […]

  • CGSIC Bulletin: GPS Software/Hardware Update
    on October 22, 2018 at 1:57 pm

      All CGSIC, In an effort to modernize the GPS constellation, modifications are being made to the GPS space and ground control segment. These changes should be transparent to IS-GPS-200 compliant receivers, however, Commercial and Civil users who experience impacts are encouraged to contact the U.S. Coast Guard Navigation Center at  <> or by phone at (703) 313-5900. Rick HamiltonCGSIC Executive SecretariatGPS Information Analysis […]