-
(a)
Bridge-to-bridge communications means
safety communications between vessels from the position from which
the vessels are normally navigated
-
(b)
Continuous watch means that the
radio watch concerned shall not be interrupted other than for brief
intervals when the vessel's receiving capability is impaired or blocked
by its own communications or when the facilities are under periodical
maintenance or checks.
-
(c)
Digital selective calling (DSC) means
a technique using digital codes which enables a radio station to establish
contact with, and transfer information to, another station or group
of stations, and complying with the relevant recommendations of the
International Radio Consultative Committee (CCIR).
-
(d)
Direct-printing telegraphy means
automated telegraphy techniques which comply with the relevant recommendations
of the CCIR.
-
(e)
General radiocommunications means
operational and public correspondence traffic, other than distress,
urgency and safety messages, conducted by radio.
-
(f)
Inmarsat means the Organization
established by the Convention on the International Maritime Satellite
Organization adopted on 3 September 1976.
-
(g)
International NAVTEX service means
the co-ordinated broadcast and automatic reception on 518 kHz of maritime
safety information by means of narrow-band direct-printing telegraphy
using the English language.footnote
-
(h)
Locating means the finding of
ships, vessels, aircraft, units or persons in distress.
-
(i)
Maritime safety information means
navigational and meteorological warnings, meteorological forecasts
and other urgent safety related messages broadcast to vessels.
-
(j)
Polar orbiting satellite service means
a service which is based on polar orbiting satellites which receive
and relay distress alerts from satellite emergency position-indicating
radio beacons (satellite EPIRBs) and which provides their position.
-
(k)
Radio Regulations means the Radio
Regulations annexed to, or regarded as being annexed to, the most
recent International Telecommunication convention which is in force
at any time.
-
(l)
Sea area A1 means an area within
the radiotelephone coverage of at least one VHF coast station in which
continuous DSC alerting is available, as may be defined by a Party.footnote
-
(m)
Sea area A2 means an area, excluding
sea area Al, within the radiotelephone coverage of at least one MF
coast station in which continuous DSC alerting is available, as may
be defined by a Party. footnote
-
(n)
Sea area A3 means an area, excluding
sea areas Al and A2, within the coverage of an Inmarsat geostationary
satellite in which continuous alerting is available.
-
(o)
Sea area A4 means an area outside
sea areas Al, A2 and A3.