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Madison County Police Frequencies

Madison County in North Carolina has 5 countywide conventional frequencies and 1 countywide talkgroup in our database. Use the list of 15 cities and communities below for local police departments.

About Madison County Police Frequencies

  • 5 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: North Carolina VIPER: 1 talkgroup. A trunking scanner is required, and it must support the system type shown.
  • To follow a trunked system, program a control channel first. For Madison County, start with the Big Knob site of North Carolina VIPER. Its control channels: 852.6125, 853.2375 MHz.

Madison County conventional frequencies

Dispatch

AgencyDescriptionFrequency (MHz)ToneModeFCC
Madison County SheriffMadison County Sheriff – Dispatch155.4900
In 158.9700
77.0 PLFMWNUQ305
Mars Hill College PoliceMars Hill College Police – Dispatch154.6500206.5 PLFMWNUI475

Tactical

AgencyDescriptionFrequency (MHz)ToneModeFCC
Madison County SheriffMadison County Sheriff – Tactical Channel (Mutual Aid)154.875077.0 PLFMWNUQ305
Madison County SheriffMadison County Sheriff – Tactical Channel (Talk-around/Input)158.9700FMWNUQ305
Mars Hill College PoliceMars Hill College Police – Tactical Channel158.7300206.5 PLFMWNUI475

Madison County trunked talkgroups

North Carolina VIPER

AgencyDescriptionTalkgroupHexMode
Madison County SheriffMadison County Sheriff295047340D

Radio system sites in Madison County

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

Big Knob · North Carolina VIPER
RFSS 2 · Site 10 (hex A)
Control 852.6125, 853.2375
Voice 851.05, 851.4, 851.85
Viking Mtn · North Carolina VIPER
RFSS 2 · Site 85 (hex 55)
Control 852.2, 853.3375
Voice 851.0875, 851.4125, 851.8
Hap Mtn · North Carolina VIPER
RFSS 2 · Site 98 (hex 62)
Control 773.68125, 774.88125
Voice 771.18125, 771.50625, 771.95625
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 Madison County

Common questions

What frequency do the police use in Madison County?

Dispatch channels listed for Madison County: Madison County Sheriff 155.4900 MHz (77.0 PL); Mars Hill College Police 154.6500 MHz (206.5 PL).

Are Madison County police talkgroups encrypted?

None of the 1 talkgroups listed for Madison County are marked encrypted.