Admiralty listof radio signals
By: (Hydrographic Department). 1975. Vol.6, Port operations, pilot vessels and traffic surveillance.
Contributors: Great Britain. Hydrographic Department.
Series: N.P.275(6)
Publisher: Hydrographer of the Navy
Published: 1975
Place of publication: (Taunton)
Language: eng
Number of pages: 256
Subjects: Aids to navigation -- Lists.; Radio in navigation.