As previously noted, this year not much has changed located in Grant Park, Chicago Fire Dept. has used the frequencies of 477.5125 (SIM-NO) and 478.4625 (SIM-SO) in the past few years. EMS Command (462.975 CTCSS 156.7) is being used sporadically. Grant Park also is under EMS-North & Fire Main. Med-Carts 1 & 2, Fire-Cart 1, Special Events Ambulances 71 & 72 have been heard so far. July 3rd during the fireworks, you will hear the most activity. O.E.M.C. is monitoring these Digital Channels as well. They appear as SIM-NO & SIM-SO at this time on our radios.
C.P.D. is utilizing City-Wide 6 (460.250...CTCSS 162.2) is being used as previous years. The Primary Zone around Grant Park is Zone 4 (460.150..CTCSS 114.8)
During the previous years, City-Wide 5 (460.350.. CTCSS 97.4) was used as perimeter traffic control on July 3rd. Keep this one around for later.
The Chicago Park District utilizes a low-power 450 Mhz. system for their operations.
C.P.D. is utilizing City-Wide 6 (460.250...CTCSS 162.2) is being used as previous years. The Primary Zone around Grant Park is Zone 4 (460.150..CTCSS 114.8)
During the previous years, City-Wide 5 (460.350.. CTCSS 97.4) was used as perimeter traffic control on July 3rd. Keep this one around for later.
The Chicago Park District utilizes a low-power 450 Mhz. system for their operations.