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Understanding ENCs: A guide to symbols and abbreviations in ECDIS
A guide to symbols and abbreviations in ECDIS. In this blog we share information on how ENC symbols are displayed on ECDIS, and useful resources to help you navigate with confidence.
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- Insight
- ADMIRALTY products and services

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Rescheming and improving GB ENC data
In readiness for the transition to S-101 Electronic Navigational Charts (ENCs), the UKHO is rescheming its S-57 GB ENCs into a gridded format to enhance consistency, safety and the overall user experience for mariners.
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- Insight
- ADMIRALTY products and services
- S-100

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A guide to identifying counterfeit ADMIRALTY products
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- News
- ADMIRALTY products and services

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Category Zones of Confidence (CATZOC) – dispelling the myths
What are Category Zone of Confidence (CATZOC) values and how can they support safe navigation?
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- Insight

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New HD ENCs available in ADMIRALTY Vector Chart Service
Eleven new 'high density' Electronic Navigational Charts (HD ENCs) are available through ADMIRALTY Vector Chart Service (AVCS).
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- News
- ADMIRALTY products and services

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UKHO to extend timetable for paper chart withdrawal
Update from UK Hydrographic Office on paper chart withdrawal.
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- Press release
- ADMIRALTY products and services

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Withdrawal of Port Approach Guides
Withdrawal concludes a successful era for port-scale charts providing planning information for some of the world's busiest approaches.
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- News
- ADMIRALTY products and services

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Navigating the maritime future at SMM Hamburg 2022
Exploring the key topics and themes we covered at our SMM seminars.
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- Insight
- S-100

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Putting S-102 to the test
S-102 holds out the exciting possibility of providing mariners with greater granularity of bathymetric information than the current generation of ENCs, supporting safer and more efficient navigation. In order to move forward with confidence and to ensure that S-102 meets the needs of users, it is important to put it to the test in a real-world setting.
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- News
- S-100
- Ports

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The future of navigation relies on enhanced connectivity
High-speed, low-latency networks are vital to improving data exchange, ship-to-shore communications, and safety at sea
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- News

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The changing maritime landscape
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- Insight
- ADMIRALTY products and services

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The UKHO announces its intention to withdraw from paper chart production
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- News