Sponsor (July-Dec 1951)

Record Details:

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t if • used in locating best radio relay routes Network television rides microwaves in the Bell System's new radio relay systems and travels underground in coaxial cables. About half of the total television channel mileage is now provided by radio relay. BEST ROUTES FOUND But which are the best locations for the radio relay stations? No charts exist for microwave routes. So Bell System engineers pioneer — pore over maps and aerial photographs to plot possible station locations. Then scouting parties take over. They cross the country step by step testing the most likely routes. Like rays from gigantic searchlights, microwaves are shot from point to point to determine which of the proposed paths are most suitable. 200-FOOT STATIONS Then the costly construction begins. Relay stations — some over 200 feet high — span forest, mountain and plain. Facilities valued at $73,000,000 are now used by the Bell System for television purposes. This includes radio relay systems, coaxial cable and associated equipment — 18,000 miles of television channels. COST KEPT LOW Yet the cost of this service is relatively low. The Telephone Company's total network facility charges average about 10 cents a mile for a half hour of program time, including both audio and video channels. This averages less than 5 per cent of the total cost of a typical drama, comedy or variety program. BELL TELEPHONE SYSTEM PROVIDING NETWORK TRANSMISSION CHANNELS FOR THE RADIO AND TELEVISION INDUSTRIES TODAY AND TOMORROW M8 SPONSOR