UK Hydrographic Office <br/><br/>
Admiralty list of radio signals : Vol.1- Part-2 

 - 1st Ed. 
 - United Kingdom  UK Hydrographic Office  2020 
 - xviii, 417p. 
<br/><br/><label>ISBN: </label>9780707744995 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio in navigation<br/>Weather broadcasting<br/>Cipher and telegraph codes
<br/><br/><label>Dewey Class. No.: </label>623.8932  / UKH