TY  - BOOK
TI  - Admiralty list of radio signals, volume 2, 1999 (ALRS 2, 1999): Radio navigational aids electronic position fixing systems and radio signals (NP 282) 
U1  - 623.8932 23
PY  - 1999///
CY  - Somerset, UK
PB  - The Hydrographer of the navy tanuton
KW  - ALRS 2
ER  -