Admiralty - NP282(2) - List of Radio Signals Volume 2 - Part 2, Radio Aids to Navigation, Differential GPS (DGPS), Legal Time, R

Precision Navigation Data for Professional Mariners
This authoritative reference delivers mission-critical information for safe and compliant maritime operations across the Americas, Far East, and Oceania. The 2026 edition of Volume 2 – Part 2 provides verified data on radio navigation aids, Differential GPS systems, and international time standards, ensuring vessels maintain accurate positioning and synchronization throughout their voyages.

Comprehensive Radio Navigation Infrastructure
Featuring detailed listings of over 1,500 navigation aids, this volume includes VHF direction-finding stations, radar beacons (Racons and Ramarks), and operational AIS Aids to Navigation (AtoN). Mariners gain access to precise technical specifications for each system, including frequency ranges, signal characteristics, and operational parameters, enabling optimal use of available navigation resources in all covered regions.

Advanced Positioning and Timing Solutions
The publication provides an extensive directory of DGPS correction beacons, delivering meter-level positioning accuracy for critical maritime operations. Complete with international time standards, daylight saving time regulations, and radio time signal broadcast details, this volume ensures vessels maintain precise chronometry and synchronization for coordinated global operations.

Professional-Grade Reference for Maritime Operations
Weighing 1.9 kg and presented in a durable paperback format, this 2026 edition is engineered for use in both bridge environments and navigation planning offices. The publication's structured organization allows for rapid access to regional data, with coverage spanning latitudes from -60° to 80° and longitudes from -170° to 150°, encompassing major shipping routes and commercial ports across three continents.

This seventh edition (2026) reference publication provides comprehensive coverage of radio navigation aids, DGPS systems, and time standards in a 1.9 kg paperback format. The volume delivers verified data for maritime regions spanning latitudes -60° to 80° and longitudes -170° to 150°, including the Americas, Far East, and Oceania, with detailed listings of over 1,500 navigation systems and timekeeping protocols.

For over two centuries, this hydrographic office has set the global standard for maritime navigation publications. As the official producer of nautical charts and navigation references for international shipping, their publications are developed using verified data from maritime authorities worldwide, ensuring mariners have access to the most accurate and up-to-date navigation information available.

• This professional navigation reference delivers verified, up-to-date data on radio aids to navigation, DGPS systems, and international time standards, ensuring compliance with maritime regulations. The publication's comprehensive coverage of the Americas, Far East, and Oceania provides mariners with essential information for safe and efficient voyages, while its structured format allows for rapid access to critical navigation data during operations.
• The volume's integration of traditional radio navigation systems with modern electronic positioning technologies offers a complete solution for vessels operating in diverse maritime environments. Regular updates to the publication ensure mariners have access to the latest changes in navigation infrastructure, maintaining operational safety and efficiency across global shipping routes.