Leadership

Dallas Radio Alarm System Institutes Economies

Issue 6 and Volume 111.

Dallas Radio Alarm System Institutes Economies Old secondary gong circuit gives way to radio selective signaling; primary circuits retained —All photos courtesy Motorola Inc. FAST-GROWING DALLAS recently instituted a selective radio alerting method of turning out its fire companies faster than before, and simultaneously has doubled the growth potential of its metallic alarm circuits. By retiring the secondary gong circuits in favor of individual station radio alerting, Dallas has salvaged enough overhead wire to pay for the new system. More importantly, we have greatly reduced the cost of extending primary register circuits to fire stations now being added. Like so many cities, Dallas since 1945 has burst her seams with new residential and commercial developments. From an area of 90 square miles at the end of World War II, the metropolitan fire protection district has grown to 255 square miles today, with no letup in sight. Expansion problems Peripheral expansion…

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