FCC 80.111 Revised as of October 1, 2006
Goto Year:2005 |
2007
Sec. 80.111 Radiotelephone operating procedures for coast stations.
This section applies to all coast stations using telephony which are subject
to this part.
(a) Limitations on calling. (1) Except when transmitting a general call to
all stations for announcing or preceding the transmission of distress,
urgency, or safety messages, a coast station must call the particular
station(s) with which it intends to communicate.
(2) Coast stations must call ship stations by voice unless it is known that
the particular ship station may be contacted by other means such as
automatic actuation of a selective ringing or calling device.
(3) Coast stations may be authorized emission for selective calling on each
working frequency.
(4) Calling a particular station must not continue for more than one minute
in each instance. If the called station does not reply, that station must
not again be called for two minutes. When a called station does not reply to
a call sent three times at intervals of two minutes, the calling must cease
for fifteen minutes. However, if harmful interference will not be caused to
other communications in progress, the call may be repeated after three
minutes.
(5) A coast station must not attempt to communicate with a ship station that
has specifically called another coast station until it becomes evident that
the called station does not answer, or that communication between the ship
station and the called station cannot be carried on because of
unsatisfactory operating conditions.
(6) Calls to establish communication must be initiated on an available
common working frequency when such a frequency exists and it is known that
the called ship maintains a simultaneous watch on the common working
frequency and the appropriate calling frequency(ies).
(b) Time limitation on calling frequency. Transmissions by coast stations on
2182 kHz or 156.800 MHz must be minimized and any one exchange of
communications must not exceed one minute in duration.
(c) Change to working frequency. After establishing communications with
another station by call and reply on 2182 kHz or 156.800 MHz coast stations
must change to an authorized working channel for the transmission of
messages.
(d) Use of busy signal. A coast station, when communicating with a ship
station which transmits to the coast station on a radio channel which is a
different channel from that used by the coast station for transmission, may
transmit a “busy” signal whenever transmission from the ship station is
being received. The characteristics of the “busy” signal are contained in
Sec. 80.74.
[ 51 FR 31213 , Sept. 2, 1986, as amended at 52 FR 35244 , Sept. 18, 1987]
Operating Procedures—Ship Stations
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