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Brookville Police Frequencies

We do not have frequencies listed specifically for Brookville in Ogle County, Illinois yet. Countywide channels for Ogle County that may also cover this area are shown below when we have them. The closest trunked radio site we have is Forreston (STARCOM21 Statewide Illinois), about 6 miles away.

About Brookville Police Frequencies

  • 3 conventional channels are analog FM, so any scanner can receive them. Enter the frequency and set the tone shown in the table.
  • Trunked radio systems that carry law-enforcement traffic here: STARCOM21 Statewide Illinois: 8 talkgroups. A trunking scanner is required, and it must support the system type shown.
  • To follow a trunked system, program a control channel first. For Brookville, start with the Forreston site of STARCOM21 Statewide Illinois, about 6 miles away. Its control channels: 857.2125, 859.2125 MHz.
  • 3 listed entries are marked encrypted. No scanner can decode encrypted audio.

Ogle County channels that also cover Brookville

Dispatch

Dispatch frequencies for Ogle County
AgencyDescriptionFrequency (MHz)ToneModeFCC
Ogle County SheriffCountywide Police/Fire – Backup155.1000
In 150.7750
123.0 PLFMNWPJS873
Ogle County SheriffOgle County Sheriff – Dispatch453.1000
In 458.1000
192.8 PLFMNKVE354

Jails & Corrections

Jails & Corrections frequencies for Ogle County
AgencyDescriptionFrequency (MHz)ToneModeFCC
Ogle County SheriffJail – Operations453.6375
In 458.6375
FMNWQOQ512

STARCOM21 Statewide Illinois

STARCOM21 Statewide Illinois talkgroups
AgencyDescriptionTalkgroupHexMode
Ogle County SheriffControl1026402D
Ogle County SheriffControl1032408D
Ogle County SheriffCar-to-Car1028404D
Ogle County SheriffRoam1029405D
Ogle County SheriffSheriff 2103440aD
3 encrypted talkgroups (cannot be monitored)
STARCOM21 Statewide Illinois encrypted talkgroups
AgencyDescriptionTalkgroupHexMode
Ogle County SheriffControl1031407D Encrypted
Ogle County SheriffDetectives1027403D Encrypted
Ogle County SheriffAdministration1033409D Encrypted

Nearest trunked radio sites

Distances are measured from the center of Brookville.

Forreston · STARCOM21 Statewide Illinois
RFSS 1 · Site 24 (hex 18) · NAC 14F · about 6 mi away
Control 857.2125, 859.2125
Voice 856.2125, 858.2125
Mount Carroll · STARCOM21 Statewide Illinois
RFSS 1 · Site 19 (hex 13) · NAC 143 · about 13 mi away
Control 852.8625, 853.9875
Voice 852.3375, 852.825, 855.2125, 855.3875, 857.0125
Freeport · STARCOM21 Statewide Illinois
RFSS 1 · Site 12 (hex C) · NAC 142 · about 16 mi away
Control 851.5875
Voice 851.0875, 852.125, 853.075, 853.725
What do these numbers mean?
Control channel
The frequency your scanner listens to first. It tells the scanner where each voice call is happening, so program it before anything else.
Voice
The other frequencies the site uses for calls. A trunking scanner follows them automatically once it has the control channel.
Site
One tower location of the system. Scanners show the number in decimal or hex, so both are listed.
RFSS (Radio Frequency Sub-System)
A group of sites run by the same controller. Large Project 25 systems can have several.
NAC (Network Access Code)
A hex code the site transmits. Your scanner can use it to ignore other systems on the same frequency.
Talkgroup
A virtual channel on a trunked system, such as one agency’s dispatch. Programming uses the decimal or hex number, depending on your scanner.

Common questions

What frequency do the police use in Brookville?

We do not have a dispatch channel listed specifically for Brookville. County-level dispatch channels in the same county: Ogle County Sheriff 155.1000 MHz (123.0 PL); Ogle County Sheriff 453.1000 MHz (192.8 PL).