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  2. S-63 (encryption standard) - Wikipedia

    en.wikipedia.org/wiki/S-63_(encryption_standard)

    S-63 is an International Hydrographic Organization (IHO) standard for encrypting, securing and compressing electronic navigational chart (ENC) data.. The Data Protection Scheme was prepared by the IHO Data Protection Scheme Advisory Group, and was based on the protection scheme developed and operated by Primar as part of providing their protected ENC service.

  3. 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]

  4. Admiralty chart - Wikipedia

    en.wikipedia.org/wiki/Admiralty_chart

    Due to the changing nature of the seabed and other charted features, chart information must be up-to-date to maintain accuracy and general safety. This is ensured by UKHO continually assessing hydrographic data for vital safety information, with urgent updates issued via weekly Notices to Mariners (NMs)

  5. 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 ...

  6. Hydrographic office - Wikipedia

    en.wikipedia.org/wiki/Hydrographic_office

    The United Kingdom Hydrographic Office (UKHO) is now a part of the Ministry of Defence rather than a naval department and is located in Taunton, Somerset, near Creechbarrow hill. It is best known for producing the well-known Admiralty chart series of nautical charts that covers almost every navigable stretch of water on Earth. The UKHO also ...

  7. List of Member States of the International Hydrographic ...

    en.wikipedia.org/wiki/List_of_Member_States_of...

    United Kingdom – United Kingdom Hydrographic Office United States – Office of Coast Survey; National Ocean Service; National Geospatial-Intelligence Agency Uruguay – Oceanographic, Hydrographic and Meteorological Service of the Uruguayan Navy Vanuatu – Ministry of Lands, Geology, and Minerals

  8. Nautical publications - Wikipedia

    en.wikipedia.org/wiki/Nautical_publications

    The List of Lights is published in seven volumes, as Publication numbers 110 through 116. Each volume contains lights and other aids to navigation that are maintained by or under the authority of other governments. In the UK, the UKHO List of Lights and Fog Signals, and the Admiralty List of Radio signals are split into separate volumes.

  9. United Kingdom Hydrographic Office - Wikipedia

    en.wikipedia.org/wiki/United_Kingdom...

    The United Kingdom Hydrographic Office (UKHO) is the UK's agency for providing hydrographic and marine geospatial data to mariners and maritime organisations across the world. The UKHO is a trading fund of the Ministry of Defence (MoD) and is located in Taunton , Somerset , with a workforce of approximately 900 staff.