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Marine Communications & Traffic Services

RAMN 2005


GENERAL INFORMATION ON MCTS CENTRE LISTINGS

Frequencies enclosed in brackets are in MHz. Other frequencies are in kHz.

Receiving frequencies printed in bold type are continuously monitored by MCTS Centres.

The numbered areas mentioned in the contents column of centres providing communications and special services are shown on the Marine Weather Forecasts maps, and are listed in detail under the heading “Weather Forecast Areas” in Part 5.

Frequencies for which the H3E/J3E single sideband modes of emission are shown in the MCTS Centre listings are designated by the carrier frequencies. The assigned frequencies are 1.4 kHz higher than the carrier frequencies listed. (This note also applies to the medium and high radiotelephone frequencies listed in the “Canadian Maritime Mobile Safety and Public Correspondence Communications Frequencies” section).

Legend for MCTS Centre Listings

BC

Broadcast

C

Continuously Operating Radiobeacon

CMB

Continuous Marine Broadcast

DF

Direction Finding

F1B

Radioteletype

F3E

Radiotelephony, Frequency Modulation

G2B

Phase modulation, digital information, automatic reception

H+

This symbol followed by a number indicates minutes past the hour

H3E

Radiotelephony Single-sideband, Full Carrier

J3C

Facsimile - Single-sideband, Suppressed Carrier

J3E

Radiotelephony Single-sideband, Suppressed Carrier

MCTS

Marine Communications and Traffic Services

MMSI

Maritime Mobile Service Identity Numbers

NAVTEX

Reference Part 4 for NAVTEX ID Codes

NBDP

Narrow Band Direct Printing

SC

Ship Control (Bridge Operations)

SS

Ship/Shore – is an indicator for ship to shore communication and shore to ship communication

TS

Time Signals

UTC

Indicates Coordinated Universal Time. (For practical purposes, UTC is equivalent to GMT)

*

Indicates that on this frequency, facilities are available for connecting ships directly to the commercial telephone system on shore

#

Indicates that broadcasts are made simultaneously on these frequencies

Attention

Indicates change or addition since last complete Edition


Updated: 18/07/2005

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Important Notices