Admiralty list of radio signals. Volume 3, part 1, 1998/99 : Radio weather services and navigational warnings / Hydrographic Office. - Taunton, Somerset : The Hydrographer of the Navy, ©1998. - xxv, 430 p. ; 30 cm. - Admiralty charts and publication NP 283 (1). .


Radio in navigation.
Aids to navigation.
Aids to navigation -- Lists.

623.8932 / ADM