I dont know why they cant provide a back up system receiver on 156.195 at each of the firehouses with an alert tone activated hooked up to an amplifier to speakers through out the fire house. My dad retired from Motorola and can never figure out why they will not listen to the radio techs for ideas instead of wasting all that money for a consulant who has no working knowledge of a paticular system to guide the counties causing them to waste money on a system that isnt working satisfactory and must be redone by your radio techs. He started working on radios back in the 50s and worked on systems in virginia maryland and dc for state and local as well as fed govt