Ian Waugh - A Mariner\'s Guide to Marine Communications

C: 09:·W, Ino.

D,E: 1015, 1815.

Author's explanation: Station is identified as 'Cape Town '. 'ZSC'is the 'radio

callsign'for the station (usefol when tuning-in to a radio-telex/NBDP broadcast

frequency, where the radio callsign is transmitted as slow-morse to identify the

station - see Chapter 4 - TOR 'ARQ; communications).

Letter [e]

Frequency'B'

Is the NAVTEX identity (used with frequency 'B').

SI8kHz/FIB is the NAVTEX frequency. (FIB means

'telex/NBDP' - NAVTEX is a form of radio-telex).

Frequencies 'c' - 42I4kHz/8431.SkHz - FIB - are used for NBDP

broadcasts, which you can receive on your SSB Radio

using the telex/NBDP facility on the computer

connected to the SSB radio.

Frequencies 'D' - 443SkHz/8800kHz/]3E 03E means Single Sideband

Voice/Upper Side Band/USB) for receiving on your SSB

Radio.

Frequencies 'E' Are VHF Channels - their location is indicated by name

and by position latitude/longitude.

Broadcast times for Weather Messages are shown as:

Frequency B (518kHz NAVTEX) 1220 and 1620.

Frequencies C (HF telexlNBDP 0930 and 1730.

Frequencies/channels D/E (HF/VHF voice) - 1015, 1333 and 1815.

Broadcast times for Navigation Warnings and Stonn Warnings are similarly listed.

The particular Weather (W) and Navigation (N) diagrams listed below the

station name, with ALRS Vo!. 3 page numbers, show the actual forecast!

warning areas used in messages from this station.

(ALRS Vol. 3 has the full list of MS! frequencies for Cape Town Radio, and other

stations around the world. You can also get a booklet showing South African Radio

Station services direct from 'Telkom Maritime Radio Services, Private Bag X07,

Milnerton 7435, South Africa; Tel. +2727 557 0727 Fax +2727 552 9750 -

or call in using VHF/SSB radio and ask for a copy to be posted-on).

Example 2 - Canada Pacific Coast
Identifies Canadian stations; their MSI broadcast frequencies/channels; and broadcast
times, e.g:
Prince Rupert (VAJ) [D] (Canadian Coast Guard)
Diagrams (WlO page N3 page XS page ... )
A
B Prince Rupert

S18

2054

FIB

]3E (position lat/long)

MARINE COMMUNICATIONS 21