Sec. 80.956  Required frequencies and uses.

    (a) Each VHF radiotelephone installation must be capable of 
transmitting and receiving G3E emission as follows:
    (1) Channel 16--156.800 MHz-Distress, Safety and Calling; and
    (2) Channel 6--156.300 MHz--Primary intership.
    (b) The radiotelephone station must have additional frequencies as 
follows:
    (1) Those ship movement frequencies appropriate to the vessel's area 
of operation: Channel 11--156.550 MHz, Channel 12--156.600 MHz, or 
Channel 14--156.700 MHz.
    (2) The navigational bridge-to-bridge frequency, 156.650 MHz 
(channel 13).
    (3) Such other frequencies as required for the vessel's service.
    (4) One channel for receiving marine navigational warnings for the 
area of operation.
    (c) Every radiotelephone station must include one or more 
transmitters, one or more receivers, one or more sources of energy and 
associated antennas and control equipment. The radiotelephone station, 
exclusive of the antennas and source of energy, must be located as high 
as practicable on the vessel, preferably on the bridge, and protected 
from water, temperature, and electrical and mechanical noise.
[ 51 FR 31213 , Sept. 2, 1986, as amended at  53 FR 17052 , May 13, 1988]

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