Admiralty list of radio signals. Volume 6(1), 1998/99, Pilot Services and Port Operations /  
The United Kingdom Hydrographic Office. 
 - Taunton :   United Kingdom Hydrographic Office,   1998.  
 - xxiii, 493 p. :   ill. ;   30 cm.  
 - Admiralty list of radio signals.  .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio in navigation.<br/>Distress signals.<br/>Navigation -- Safety measures. <br/>Artificial satellites in navigation. 
<br/><br/><label>Dewey Class. No.: </label>623.8932  / ADM