Admiralty List of Radio Signals

1. Vol 1(2): Admiralty List of Radio Signals; Maritime Radio Stations; the Americas Far East and Oceania 2009/10.

General Information Times: Times quoted in Universal Time (UT) unless otherwise stated,

and are reckoned from 0000 (midnight) to 2400. The term UT is gradually replacing Greenwich Mean Time (GMT); the abbreviation UT will be used to indicate the general equivalence of the two terms. GMT will be retained as the term for the term for the Standard Time Zone 0 (zero).

Geographical Position: Geographical Positions of radio aids to navigation are normally given by the controlling authority. In some cases they are in accordance with the Admiralty Chart. If bearing are taken to radio aids, it should be remembered that, in some cases, the position quoted are only approximate.

Telephone Numbers: National Directing Dialing (NDD) prefixes are shown in brackets (0). This digits should only be dialed when calling from within that country.

Reporting Changes: In the interests of save navigation, mariners and other are invited to notify UKHO of any information which would be useful towards the updating of Admiralty charts and publications. Early advice, with supporting particular of newly discovered dangers, the establishment of, or changes to any aids to navigation is specially

requested. Copies of forms (H102, H102a and H102b) designed for such notification are contained in the weekly edition of Admiralty Notices to Mariners. Additional copies can be obtained free of charge from the UKHO. In addition, user feedback on our products in terms of format, content, availability and any other aspects is always welcome.

2. Vol 4 Admiralty List of Radio Signals; Meteorological ObservationGeneral Information