UK Hydrographic Office <br/><br/>
Admiralty List of Radio signals : Global Maritime Distress and Safety System (GMDSS)  NP285 - volume 5 

 - 2nd ed. 
 - UK   UK Hydrographic Office  2021 
 - xii, 492p. 
<br/><br/><label>ISBN: </label>9780707747132 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Purpose of Admiralty Radio signals<br/>Global Maritime Distress And Safety System<br/>Communications Systems For Use in The GMDSS
<br/><br/><label>Dewey Class. No.: </label>623.8   / UKH