Admiralty list of radio signals : maritime radio stations: the Americans, Far East and Oceania. 

 -  The United Kingdom Hydrographic Office.  2005 
 - xxii, 351 pages 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio in navigation.
<br/><br/><label>Dewey Class. No.: </label>M 623.89 Ad6 2005