Sec. 80.453  Scope of communications.

    Public coast stations provide ship/shore radiotelephone and 
radiotelegraph services.
    (a) Public coast stations are authorized to communicate:
    (1) With any ship or aircraft station operating in the maritime 
mobile service, for the transmission or reception of safety 
communication;
    (2) With any land station to exchange safety communications to or 
from a ship or aircraft station;
    (3) With Government and non-Government ship and aircraft stations to 
exchange public correspondence;
    (4) With units on land in accordance with Sec. 80.123.
    (b) Public coast stations are authorized to communicate with a 
designated station at a remote fixed location where other communication 
facilities are not available.
    (c) Public coast stations are authorized to transmit meteorological 
and navigational information of benefit to mariners.
    (d) Each public coast telegraphy station is authorized to 
communicate with other public coast telegraphy stations to exchange 
message traffic destined to or originated at mobile stations:
    (1) To exchange operating signals, brief service messages or safety 
communication;
    (2) To exchange message traffic destined for a mobile station when 
the coast station initially concerned is unable to communicate directly 
with the mobile station;
    (3) In the Great Lakes region, to exchange message traffic 
originated at a mobile station when the use of available point-to-point 
communication facilities would delay the delivery of such message 
traffic;
    (4) Utilization of radiotelegraphy must not incur additional charges 
or replace available point-to-point communication facilities;
    (5) Only authorized working frequencies within the band 415 kHz to 
5000 kHz must be employed for communications between coast stations;
    (6) Harmful interference must not be caused to communication between 
mobile stations and coast stations or between mobile stations.
[ 51 FR 31213 , Sept. 2, 1986, as amended at  62 FR 40307 , July 28, 1997

                            Use of Telegraphy