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Gallatin County Police Frequencies

Gallatin County in Montana has 7 countywide conventional frequencies and 9 countywide talkgroups in our database. Use the list of 18 cities and communities below for local police departments.

About Gallatin County Police Frequencies

  • 7 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: Gallatin County / Bozeman: 3 talkgroups; Montana Public Safety Communications System: 6 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 Gallatin County, start with the Bozeman Simulcast site of Gallatin County / Bozeman. Its control channels: 854.9625, 855.4625, 855.9625 MHz.
  • 2 listed entries are marked encrypted. No scanner can decode encrypted audio.

Gallatin County conventional frequencies

Dispatch

Dispatch frequencies for Gallatin County
AgencyDescriptionFrequency (MHz)ToneModeFCC
Gallatin County SheriffLaw Enforcement North154.9950
In 153.8150
82.5 PLFMNWPNW532
Gallatin County SheriffGallatin County Sheriff – Dispatch155.4300
In 155.1300
192.8 PLFMNKNIE232
Gallatin County SheriffLaw Enforcement/Fire South158.7900
In 155.7000
192.8 PLFMNKNIG888

Tactical

Tactical frequencies for Gallatin County
AgencyDescriptionFrequency (MHz)ToneModeFCC
Gallatin County SheriffGallatin County Sheriff – Tactical Channel /Fairgrounds156.1500192.8 PLFMNWPUD307
Gallatin County SheriffGallatin County Sheriff – Tactical Channel158.9100CSQFMN—

Talk-around & Car-to-Car

Talk-around & Car-to-Car frequencies for Gallatin County
AgencyDescriptionFrequency (MHz)ToneModeFCC
Gallatin County SheriffGallatin County Sheriff – Alternate159.2100192.8 PLFMNKNIE232

Jails & Corrections

Jails & Corrections frequencies for Gallatin County
AgencyDescriptionFrequency (MHz)ToneModeFCC
Gallatin County SheriffJail458.6750FMNWQEJ629

Gallatin County trunked talkgroups

Gallatin County / Bozeman

Gallatin County / Bozeman talkgroups
AgencyDescriptionTalkgroupHexMode
Gallatin County SheriffMontana State University Police62001838D
Gallatin County SheriffSheriff Main6300189cD
Gallatin County SheriffGallatin County Sheriff – Alternate6301189dD

Montana Public Safety Communications System

Montana Public Safety Communications System talkgroups
AgencyDescriptionTalkgroupHexMode
Gallatin County SheriffGallatin County Sheriff – Dispatch – North506513c9D
Gallatin Montana State UniversityState University Police Disptach508913e1D
Gallatin County SheriffSheriff Court Security508113d9D
Gallatin County SheriffCounty Incident5229146dD
2 encrypted talkgroups (cannot be monitored)
Montana Public Safety Communications System encrypted talkgroups
AgencyDescriptionTalkgroupHexMode
Gallatin County SheriffGallatin County Sheriff – Tactical Channel505913c3D Encrypted
Gallatin County SheriffSherriff (5053)505313bdD Encrypted

Radio system sites in Gallatin County

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

Bozeman Simulcast · Gallatin County / Bozeman
RFSS 1 · Site 1 (hex 1) · NAC 820
Control 854.9625, 855.4625, 855.9625, 856.4875, 856.9875, 857.2125, 857.7125, 858.2125
Big Sky Simulcast · Gallatin County / Bozeman
RFSS 1 · Site 2 (hex 2) · NAC 820
Control 856.2125, 856.7125, 857.0125, 857.4375
Horse Butte (West Yellowstone) · Gallatin County / Bozeman
RFSS 1 · Site 3 (hex 3) · NAC 820
Control 856.0125, 857.2625, 857.7625, 858.2625
Nixon Ridge · Gallatin County / Bozeman
RFSS 1 · Site 4 (hex 4) · NAC 820
Control 856.2625, 856.7625, 857.0875, 857.9875, 858.4625, 858.9375, 859.4625, 859.9375
Beacon Hill · Gallatin County / Bozeman
RFSS 1 · Site 5 (hex 5) · NAC 820
Control 858.7125, 859.2125, 859.7125
Bozeman 800 · Montana Public Safety Communications System
RFSS 1 · Site 27 (hex 1B) · NAC 160
Control 851.05, 851.35, 851.65
Voice 852.05, 852.35, 852.7, 853.05, 853.35
Beacon Hill · Montana Public Safety Communications System
RFSS 1 · Site 30 (hex 1E) · NAC 160
Control 155.04, 155.415
Voice 154.965, 155.94
Nixon Ridge · Montana Public Safety Communications System
RFSS 1 · Site 31 (hex 1F) · NAC 160
Control 154.235, 154.74
Voice 154.875, 161.875
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 Gallatin County

Common questions

What frequency do the police use in Gallatin County?

Dispatch channels listed for Gallatin County: Gallatin County Sheriff 154.9950 MHz (82.5 PL); Gallatin County Sheriff 155.4300 MHz (192.8 PL); Gallatin County Sheriff 158.7900 MHz (192.8 PL).

Are Gallatin County police talkgroups encrypted?

2 of the 9 talkgroups listed for Gallatin County are marked fully or partly encrypted; a scanner cannot decode encrypted audio.