Admiralty list of radio signals :   meteorological observation stations / 

 - Second Edition. 
 - United Kingdom :   The United Kingdom Hydrographic Office ,   2021. 
 - viii, 167 pages, volume 4 ;   30 cm.  
<br/><br/><label>ISBN: </label>9780707747064 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio Signals<br/>Marine Navigation.
<br/><br/><label>Dewey Class. No.: </label>623.8932  / A6