000 00618nam a22001817a 4500
999 _c12411
_d12411
008 230615b 2021 ||||| |||| 00| 0 eng d
020 _a9780707747132
082 _a623.8
_bUKH
100 _aUK Hydrographic Office
245 _aAdmiralty List of Radio signals : Global Maritime Distress and Safety System (GMDSS) NP285 - volume 5
250 _a2nd ed.
260 _aUK
_b UK Hydrographic Office
_c2021
300 _axii, 492p.
650 _aPurpose of Admiralty Radio signals
650 _aGlobal Maritime Distress And Safety System
650 _aCommunications Systems For Use in The GMDSS
942 _cBK