Admiralty List of Radio Signals (ALRS) (NPs 281 – 290)

Admiralty List of Radio Signals (ALRS) (NPs 281 – 290)

NP Nos.	Volume	Title of Publication
281(1)	1	Part 1, Coast Radio Stations: Europe, Africa and Asia
281(2)	2	Part 2, Coast Radio Stations: Oceania and the Philippines
282	2	Radio Navigation Aids, Electronic Position Fixing Systems and Radio Time Signals
283(1)	3	Part 1, Maritime Safety Information Services: Europe, Africa and Asia
283(2)	3	Part 2, Maritime Safety Information Services: Oceania and the Philippines
284	4	List of Meteorological Observation Stations
285	5	Global Maritime Distress and Safety System (GMDSS)
286(1)	6	Part 1, Pilot Services, Vessel Traffic Services and Port Operations: United Kingdom and Ireland (including European Channel Ports)
286(2)	6	Part 2, Pilot Services, Vessel Traffic Services and Port Operations: Europe (excluding United Kingdom and Ireland, Channel Ports and Mediterranean)
286(3)	6	Part 3, Pilot Services, Vessel Traffic Services and Port Operations:  Mediterranean and Africa (including Persian Gulf)
286(4)	6	Part 4, Pilot Services, Vessel Traffic Services and Port Operations: Asia and Australia
286(5)	6	Part 5, Pilot Services, Vessel Traffic Services and Port Operations: Americas and Antarctica
288	8	Satellite Navigation Systems