File:Bell telephone magazine (1922) (14755745812).jpg

Identifier: bellvol25telephonemag00amerrich (find matches)
Title: Bell telephone magazine
Year: 1922 (1920s)
Authors: American Telephone and Telegraph Company American Telephone and Telegraph Company. Information Dept
Subjects: Telephone
Publisher: (New York, American Telephone and Telegraph Co., etc.)
Contributing Library: Prelinger Library
Digitizing Sponsor: Internet Archive

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s, had introduced a newand potent factor of safety at sea.Today, no commercial vessel—prac-tically speaking—ventures beyondsheltered waters without adequateradio equipment, and an increasingnumber of pleasure craft carry eitherradio telegraph or radio telephone in-stallations. It is scarcely necessary to say thatCoast Guard vessels are completely equipped: the larger ones with everytype of apparatus for transmitting,receiving—on many frequencies—monitoring, taking and giving bear-ings; even its small boats, such asmotor lifeboats, have radio tele-phone equipment. The other half of the CoastGuards radio story is told in itsshore installations: primary radio sta-tions, secondary radio stations, andair radio stations, for communicationprincipally with ships and aircraft atsea; and high-frequency direction-finder stations, the bearings from twoor more of which can give a vesselsor aircrafts navigator a fix or po-sition in a matter of seconds in caseof actual or imminent distress.*
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Uses of Communications Since communications enter intopractically every Coast Guard opera-tion, a complete discussion of com-munications would be tantamount toa catalog of the Services activities.Instead, let us mention a few in whichcommunications are of major impor-tance. By an agreement of long standingwith the American Red Cross, theCoast Guard stands ready at alltimes, when called on, to assume re-sponsibility for rescue work in inlandareas beset by flood or hurricane.Routines exist for transporting men,lifesaving vessels, and other equip-ment—inchiding communications Building coastal telephone circuits in the Pacific Northwest sometimes involved ma- jor construction projects * The Coast Guard formerly furnished me-dium frequency radio direction finder bearingsto the public for navigational purposes. Thisservice was discontinued owing to the devel-oped widespread use of shipborne direction-finder equipment whereby the navigator takeshis own bearings on the numerous radio bea-co

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