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Big Rock Police Frequencies

We do not have frequencies listed specifically for Big Rock in Stewart County, Tennessee yet. Countywide channels for Stewart County that may also cover this area are shown below when we have them. The closest trunked radio site we have is Dover (Tennessee Advanced Communications Network (TACN)), about 8 miles away.

About Big Rock Police Frequencies

  • 4 conventional channels are analog FM, so any scanner can receive them. Enter the frequency and set the tone shown in the table.
  • 1 entry is marked expired, so it may no longer be in use.

Stewart County channels that also cover Big Rock

Dispatch

AgencyDescriptionFrequency (MHz)ToneModeFCC
Stewart County SheriffSheriff/EMS – Backup to TRS460.0250
In 465.0250
127.3 PLFMNKFV803

Tactical

AgencyDescriptionFrequency (MHz)ToneModeFCC
Stewart County Sheriff ExpiredBackup to TRS453.3750
In 458.3750
FMNWQBW830
Stewart County SheriffBackup to TRS453.7250
In 458.7250
FMNWQBW830
Stewart County SheriffBackup to TRS460.4750
In 465.4750
FMNKFV803

Nearest trunked radio sites

Distances are measured from the center of Big Rock.

Dover · Tennessee Advanced Communications Network (TACN)
RFSS 1 · Site 48 (hex 30) · NAC 2A8 · about 8 mi away
Control 154.815, 155.445, 161.825
Voice 153.875, 154.995, 155.13
Dover 700 · Tennessee Advanced Communications Network (TACN)
RFSS 1 · Site 71 (hex 47) · about 8 mi away
Control 771.15625, 771.65625
Voice 772.18125, 772.53125, 772.90625, 774.71875
Clarksville Simulcast · Tennessee Advanced Communications Network (TACN)
RFSS 1 · Site 10 (hex A) · NAC 2AA · about 22 mi away
Control 851.075, 851.9375, 852.3375, 852.7125
Voice 853.1375, 853.475, 853.725, 853.975
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 Big Rock?

We do not have a dispatch channel listed specifically for Big Rock. County-level dispatch channels in the same county: Stewart County Sheriff 460.0250 MHz (127.3 PL).