Police radio communication

The history and development of police radiocommunication is discussed and an outline given of the federal regulations under which this type of service is rendered together with reasons therefor. The problems arising in the selection of equipment and during the installation and operation of police radio systems are discussed. The methods of operation of the various classes of police radio services are described. The various uses of radio covered by this paper are: 1. By municipalities for one-way communication to mobile units and remote police stations 2. By municipalities for 2-way communication with mobile units 3. By states in the general dispatching of state police units 4. By states and municipalities for the ratiotelegraphic exchange of police information 5. By harbor police in connection with the dispatching of harbor police boats and general policing of shipping 6. By states for emergency radiotelegraphi e use in the event of interruption of the wire teletype network