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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: 21st National Space-based...
    on May 14, 2018 at 2:46 pm

    All CGSIC, 21st National Space-based Positioning, Navigation, and Timing (PNT) Advisory Board Agenda - sponsored by NASA - May 16-17, Sheraton Inner Harbor Baltimore The National Space-based PNT Advisory Board is sponsored by NASA on behalf of the Deputy Secretary level PNT Executive Committee (EXCOM), which is comprised of nine Federal agencies and departments that coordinate interagency activities pertaining to the management of the Global Positioning System […]

  • CGSIC Bulletin: 58th CGSIC Meeting Scheduled for...
    on May 14, 2018 at 2:43 pm

    All CGSIC, 58th Civil GPS Service Interface Committee Meeting Scheduled for 24-25 September 58th Civil GPS Service Interface Committee Meeting Scheduled for 24-25 September The U.S. Department of Transportation (DOT) and the Coast Guard Navigation Center (NAVCEN) are pleased to announce preparations for the 58th meeting of the Civil GPS Service Interface Committee (CGSIC).  The meeting will be conducted September 24-25, 2018, at the Hyatt Regency Miami in Miami, […]

  • CGSIC Bulletin: National Space-Based Positioning,...
    on April 24, 2018 at 3:05 pm

    All CGSIC, National Space-Based Positioning, Navigation, and Timing Advisory Board Meeting National Space-Based Positioning, Navigation, and Timing Advisory Board Meeting Notice by the National Aeronautics and Space Administration (NASA) Federal Register 23 April 2018 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 […]

  • CGSIC Bulletin: Upcoming GPS Week Number Rollover...
    on April 10, 2018 at 7:16 pm

    All CGSIC, Upcoming Global Positioning System Week Number Rollover Event The Department of Homeland Security has released a memorandum titled  U.S. Owners and Operators Using GPS to Obtain Time ( intended to provide an understanding of the possible effects of the April 6, 2019 GPS Week Number Rollover on Coordinated Universal Time derived from GPS devices. Sponsored by the […]

  • CGSIC Bulletin: Change to GPS Operational...
    on April 2, 2018 at 3:45 pm

    All CGSIC, Change to GPS Operational Advisory Message The Global Positioning Systems Directorate will propose a change to the Navstar GPS Control Segment to User Support Community Interfaces (ICD-GPS-870), Interface Control Documents that will remove Section One (1) from the GPS Operational Advisory. Background: The GPS Operational Advisory is a message generated by the GPS Control Segment on a daily basis. It provides a snapshot of the GPS operational […]