Difference between revisions of "Franklin County Public Safety"

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Revision as of 21:32, 22 February 2013

This system is located in the RadioReference database.

This multi-site simulcast system is the Public Safety system for Franklin County, and is the primary backup system for most users of the Public Service system. Owned by the City of Columbus and administered with oversight by the Central Ohio Communications Advisory Committee, it is used by most public safety agencies in Franklin County, including the City of Columbus and the Franklin County Sheriff.

Background Information

In the early 1990s, the city of Columbus implemented this system, a Motorola Smartnet simulcast trunking system, for its own city services. This system originally used Spectra mobile and base radios along with STX and MTX portable radios.

Several suburban fire departments joined this system and the decision was eventually made to use it for all public safety operations and to use Franklin County's system for all public service operations. Because of this, this system is sometimes casually referred to as the Columbus System.

Simulcast site locations are:

State Office Tower (SOT)
Groves Road
Parsons Avenue @ SR317 (behind Scioto Downs)
Griggs Dam
Morse Road @ Cherry Bottom Road
Polaris - Fire Station 33

Agencies not on line for daily operations are:

Bexley Police (use Ohio MARCS)
Dublin Police (use COIRS P25 trunked system)
Gahanna Police (use Ohio MARCS)
Grandview Heights Police (use conventional 800 MHz frequencies)
Grove City Police / Jackson Twp Fire / Pleasant Twp Fire (use Grove City trunked system)
New Albany Police (use Ohio MARCS)
Ohio State University Police (use OSU trunked system)
Reynoldsburg Police (use conventional 450/460 MHz frequencies)
Whitehall Police (use Ohio MARCS)
Washington Twp Fire (use COIRS P25 trunked system)
Worthington Fire and Police (use COIRS P25 trunked system)

All dispatch centers in Franklin County have the capability of accessing the system for mutual aid using the Emergency Zone talkgroups as well as assigned primary and backup talkgroups, and the METRO ALERT talkgroup (use of which is limited to communication centers only).

Talkgroup Structure

While there may have been one at one time, no system or structure seems to exist for assigning talkgroups on this system. New talkgroups apparently are assigned based on the next sequential talkgroup number available.

Radio ID structure

Fire IDs


  • Operations IDs are 7xxxyz where:
    • xxx = Station number (ex. 192)
    • y = equipment type where:
      • 1 = Engine
      • 2 = Ladder
      • 3 = Rescue
      • 4 = Squad/ EMS Supervisor
      • 5 = Medic
      • 6 = Chief
      • 7 = Tanker
      • 8 = Bomb Squad
      • 9 = Haz-Mat
      • 0 = Other
    • z = radio type where:
      • 0 = mobile
      • 1 = 1st portable
      • 2 = 2nd portable
      • 3 = 3rd portable
      • 4 = Base station or 4th portable
      • 5 = Station Car
      • 6 = Hose Wagon/Telesquirt
      • 7 = Foam Truck
      • 8 = Personnel Transporter
      • 9 = Extra apparatus.
    • Example: 719250 is the mobile radio in Medic 192.
    • Example: 700812 is the 2nd portable on Engine 8.
    • Example: 701429 is Extra Ladder 14

Police IDs

Columbus Police officers are issued their own portable radios.

  • Portable IDs are 74xxxx where:
    • xxxx is the officer's badge number.
    • Badge numbers in the 5000 range are sergeants.
  • Mobile IDs are 75xxxy where:
    • xxx is the cruiser number.
    • y is the cruiser type
      • 0 is a regular car
      • 1 is a relief (spare) car
    • Example: 751760 is car 176
    • Example: 751701 is car R-170 (a relief car)

Related Links