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He ini Radio New6 Service
7/10/46
VEHICLE RADIO SERVICE IN MANY CITIES SOON ST. LOUIS FIRST
So well pleased are they with the experiments In St. Louis, the first city in the country to have the opportunity to obtain twoway telephone and radio service motor vehicles and any telephone connected with the Bell System that every effort will be made to expedite construction of stations which have been authorized in other cities. It is expected that mobile radiotelephone service will soon be inqugurated in Boston, Springfield, Providence, New York, Newark, Philadelphia, Baltimore, Washington, Pittsburgh,
Miami, Atlanta, Minneapolis, Green Bay, Milwaukee, Chicago, Detroit, Toledo, Cleveland, Dayton, Columbus, Cincinnati, Louisville, Indian¬ apolis, Memphis, Kansas City, Birmingham, New Orleans, Fort Worth, Dallas, Houston, Oklahoma City, Denver, Salt Lake City, San Fran¬ cisco and Seattle.
Applications for authorization to construct radiotelephone stations in Worcester, Richmond, Akron, Los Angeles and Portland,
Ore. , as well as three more highways between Washington and New York, Buffalo and New York via Albany, and Los Angeles and San Diego are now pending before the Federal Communications Commission, the American Telephone and Telegraph Company has announced.
On the proposed New YorkWashington vehicular radiophone route, ’’centrals” would be established near New Brunswick, N. J. , Philadelphia, Wilmington, Baltimore and Washington.
The New York-Buffalo service via Albany would have central depots in the city of New York, White Plains, Poughkeepsie, Albany, Fonda, Utica, Syracuse, Rochester and Buffalo. The Los AngelesSan Diego service centrals would be stationed atop Mount Wilson and Mount Woodson, thereby easily serving the entire route.
Telephone calls to and from a vehicle equipped with a small transmitterreceiver unit will travel part of the way by radio on waves in the 35-44 megacycle region. If a fleet of trucks, for instance, engages the vehicular radio service, a special channel will be provided to prevent eavesdropping by competing concerns or others.
The balance of the route of the messages, however, once it finds a convenient transmit terreceiver central along the road¬ way, will be over the land wires to the regular telephone outlets. Central offices will handle vehicular calls like any other calls, identifying them only by special numbers.
From land-wire telephones, calls destined for vehicles will go through the reverse process, finally ringing a bell and slashing on a warning lamp in the car. Any vehicle beyond the range of any one transmitterreceiver on a roadway will be called by the next, and so on, until the call is completed. Car e quipment in¬ cludes a six-foot antenna, a twenty-watt transmitter, a receiver and ordinary hand telephone.
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