Show Salt Lake Police Make Preliminary Tests Of Radio Prowl Pro Cars Way Two-Way System on F v T I i ie e iL 1 w ENGINEER INSTALLS TRANSMISSION UNIT E. E Hal Morgan chief engineer police short short- wave radio station who wIto built the set Police Chief Harry L. L Finch top first to talk over the system Home Built Device Gives Efficient Service Science Wednesday offered Salt Lake City a mechanism to aid Inthe in inthe inthe the war against crime in this city as police pollee officials tested for the first time Ume a way two-way radio transmission system installed in police prowl cars Installation of of way two radio units unit said Police Chief Harry L. L Finch will enable p police to answer emergency calls cans more efficiently and speed up the apprehension of criminals In standard police prowl car No 4 driven by Captain Dick Hyland master mechanic of the fire department department department depart depart- ment tests were conducted in all parts part of the the city In only three areas did the equipment equip equip- a j M i ment encounter any dead spots a static static near near Tenth East and Twenty first South streets at Thirteenth South street and Redwood Redwood Redwood Red Red- wood road and north of the Wasatch Wasatch Wasatch Wa- Wa satch Springs plunge Power for the radio is derived from a volt six-volt automobile system The control equipment mounted as asan asan asan an Integral part of ot the instrument panel consists of green and red switch lights and a combination hand set These are within easy reach of the driver and are aro connected connected connected con con- with the transmitter mounted mount mount- ed on rubber in a trunk at the rear of the car The current is fed from the transmitter transmitter transmitter trans trans- mitter to a vertical copper rod which serves as the antenna The Therod Therod Therod rod is attached to the rear bumper The car operator need only click a switch to be in constant contact with headquarters Th There re is received on a loudspeaker by br the operator who talks back to the car over the conventional police poUce radio system The initial way two-way equipment constructed by Chief Engineer Morgan Morgan Morgan Mor Mor- gan costs approximately Additional Additional Ad Ad- units will be made for each Speed has no effect on way two-way radio transmission During the test the car sped along Thirteenth East street at 60 miles mlles per hour Conversation Conversation Conversation Conver Conver- came over clearly Police PoUce officials are considering an anarea anarea anarea area in the heart of Liberty park parkas as the site sUe for a foot vertical steel tower antenna The present antenna is located atop the public safety building Tentative plans also call cali for the equipment ft jf all police poUce prowl cars now having receiving units unUs with the extra transmitter after which detective and other police bureau officers' officers cars will be improved |