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  2. Notice to mariners - Wikipedia

    en.wikipedia.org/wiki/Notice_to_Mariners

    The NOTMAR web site also includes the historical Chart corrections and historical Sailing Direction corrections; as well, it provides access to downloadable Chart Patches, contains links to CHS’s Chart Number 1, instructions for applying Notices to mariners to manually update their paper charts, and other useful information. [citation needed]

  3. Electronic navigational chart - Wikipedia

    en.wikipedia.org/wiki/Electronic_navigational_chart

    An Electronic Navigational Chart (ENC) is a digital representation of a real-world geographical area for the purpose of Marine navigation.Real-world objects and areas of navigational significance, or to a lesser degree - informational significance, are portrayed through Raster facsimiles of traditional paper charts; or more commonly through vector images, which are able to scale their relative ...

  4. Teledyne CARIS - Wikipedia

    en.wikipedia.org/wiki/Teledyne_CARIS

    Teledyne CARIS, A business unit of Teledyne Digital Imaging, Inc. is a Canadian software company that develops and supports geomatics software for marine and land applications. The company is headquartered in Fredericton , New Brunswick, Canada.

  5. Office of Coast Survey - Wikipedia

    en.wikipedia.org/wiki/Office_of_Coast_Survey

    Responsible for updating nautical charts, surveying the seafloor, responding to maritime emergencies, and searching for underwater obstructions that pose a danger to navigation, the Office of Coast Survey provides the United States with navigation products and information for improving commerce and security and for protecting coastal environments. [1]

  6. OpenCPN - Wikipedia

    en.wikipedia.org/wiki/OpenCPN

    OpenCPN (Open Chart Plotter Navigator) is a free software maritime chart plotter and navigation software for use underway or as a planning tool. Developed by a team of active sailors and tested in real world conditions, it has multiple supported chart formats and a variety of data inputs.

  7. National Geospatial-Intelligence Agency - Wikipedia

    en.wikipedia.org/wiki/National_Geospatial...

    The National Geospatial-Intelligence Agency (NGA) is a combat support agency within the United States Department of Defense whose primary mission is collecting, analyzing, and distributing geospatial intelligence (GEOINT) in support of national security.

  8. AOL Mail - AOL Help

    help.aol.com/products/aol-webmail

    Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.

  9. Navigational algorithms - Wikipedia

    en.wikipedia.org/wiki/Navigational_Algorithms

    Programs on the nautical chart, directions, coastal navigation and beacons, nautical publications. The astronomical navigation section includes the resolution of the position triangle, the usefulness of a height line, the recognition of stars and the determinant of the height line, in addition to other topics of interest in nautical: tides, naval kinematics, meteorology and hurricanes, and ...