TY - BOOK TI - Admiralty list of radio signals : : pilot services, vessel traffic services and port operations Asia and Australasia. SN - 9780707719481 U1 - 623.8932 PY - 2010/// CY - United Kingdom : PB - The United Kingdom Hydrographic Office , KW - Radio Signals KW - Marine Navigation N1 - Includes Index. ER -