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ENC Data Protection
Introduction The IHO Data Protection Scheme defines security constructs and operating procedures that must be followed by Data Servers (providers of data) and Data Clients (systems that use the data). The purpose of data protection scheme is to provide: 1. Piracy Protection: i.e. to prevent unauthorised use of data by encrypting the ENC information. 2. Selective Access: i.e. to restrict access to ENC information to only those cells that a customer has been licenced for. 3. Authentication: i.e to provide assurance that the ENC data has come from approved sources
Ex Abyssis ad Alta – IHO Award for Hydrographic Excellence 2025
With a hydrographic career spanning over 25 years, the winner of this year’s Ex Abyssis Ad Alta Award has consistently demonstrated technical expertise, and an unwavering commitment to innovation in hydrography in support of safer and smarter navigation. He has also been a central force in moving the S-100 implementation forward.
Terms and Definitions
Updated on 14 May 2025
Navigational Products
Introduction The S-100 Standard is a framework document that is intended for the development of digital products and services for hydrographic, maritime and GIS communities. It comprises multiple parts that are based on the geospatial standards developed by the International Organization for Standardization, Technical Committee 211 (ISO/TC211). An S-100 based Product Specification defines a data product, and usually includes additional resources such as a machine readable Feature Catalogue and Portrayal Catalogue, a data Encoding Guide and at least one data encoding format. A guidance document S-97 for developing Product Specifications can be downloaded from the GI registry. A list of known IHO S-100 based product specifications is provided here.
66th Meeting (2023)
66th Nordic Hydrographic Commission Meeting 21 - 22 March 2023 / Aalborg, Denmark LIST OF DOCUMENTS
Council Members Discuss Progress in Transition to Smart Navigation and More
130 participants representing 45 Member States, Observers and partner organizations gathered at the IHO Secretariat in Monaco and online for the annual meeting of the Council from 15-17 October. Participants discussed topics covering education and training, technology, a potential new infrastructure center and of course the transition to smart navigation. With the provision of products and services scheduled to begin in January 2026, many of the discussions focused on progress with the implementation of S-100, the Universal Hydrographic Data Model. The main goals of the meeting were to review the work plan, take stock of progress, and decide on priority areas for the coming year.
Meetings
List of S-129 Project Team Meetings
TSM9 (2023)
9th Test Strategy Meeting 7 - 10 March 2023 / Seoul, Republic of Korea
ENCWG8 (2023)
8th ENC Standards Maintenance Working Group Meeting (ENCWG8) Lombok, Indonesia 25-29 September 2023 In conjunction with the 11th S-101 Project Team Meeting Meeting Link (from 26 September)
