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Linn County Police Frequencies

Linn County in Missouri has 1 countywide conventional frequency and 2 countywide talkgroups in our database. Use the list of 21 cities and communities below for local police departments.

About Linn County Police Frequencies

  • 1 conventional channel is analog FM, so any scanner can receive it. Enter the frequency and set the tone shown in the table.
  • Trunked radio systems that carry law-enforcement traffic here: Missouri Statewide Wireless Interoperable Network (MOSWIN): 2 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 Linn County, start with the Brookfield 700 site of Missouri Statewide Wireless Interoperable Network (MOSWIN). Its control channels: 769.16875, 769.41875 MHz.

Linn County conventional frequencies

Dispatch

AgencyDescriptionFrequency (MHz)ToneModeFCC
Linn County Sheriff BackupLinn County Sheriff – Dispatch155.4900
In 158.9850
141.3 PLFMNKAG695

Linn County trunked talkgroups

Missouri Statewide Wireless Interoperable Network (MOSWIN)

AgencyDescriptionTalkgroupHexMode
Linn County SheriffLinn County Sheriff – Dispatch283046e90D
Linn County SheriffCar-to-Car283056e91D

Radio system sites in Linn County

Program the control channel first; your scanner finds the voice channels from it.

Brookfield 700 · Missouri Statewide Wireless Interoperable Network (MOSWIN)
RFSS 1 · Site 60 (hex 3C) · NAC 1C2
Control 769.16875, 769.41875
Voice 769.66875, 769.91875, 770.16875, 770.41875
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.

Cities & communities in Linn County

Common questions

Are Linn County police talkgroups encrypted?

None of the 2 talkgroups listed for Linn County are marked encrypted.