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Chewalla Police Frequencies

We do not have frequencies listed specifically for Chewalla in McNairy County, Tennessee yet. Countywide channels for McNairy County that may also cover this area are shown below when we have them. The closest trunked radio site we have is Bethel Springs (Tennessee Advanced Communications Network (TACN)), about 14 miles away.

About Chewalla Police Frequencies

  • 2 conventional channels are analog FM, so any scanner can receive them. Enter the frequency and set the tone shown in the table.
  • 2 conventional channels use a digital mode (P25), which needs a scanner that decodes that mode.

McNairy County channels that also cover Chewalla

Dispatch

AgencyDescriptionFrequency (MHz)ToneModeFCC
McNairy County SheriffMcNairy County Sheriff – Dispatch (Main)453.9500
In 458.9500
NAC 61FP25WSBR936
McNairy County SheriffMcNairy County Sheriff – Dispatch (Backup Simulcast)460.1750
In 465.1750
NAC 29AP25WQCB980

Tactical

AgencyDescriptionFrequency (MHz)ToneModeFCC
McNairy County SheriffScene/Tactical453.0625
In 458.0625
FMNKNIM275
McNairy County SheriffScene/Tactical453.6375
In 458.6375
FMNKNIM275

Nearest trunked radio sites

Distances are measured from the center of Chewalla.

Bethel Springs · Tennessee Advanced Communications Network (TACN)
RFSS 4 · Site 27 (hex 1B) · NAC 2A7 · about 14 mi away
Control 769.35625, 769.60625, 771.70625, 773.09375
Voice 770.00625, 773.59375
Bolivar · Hardeman County Sheriff
Site 1 (hex 1) · about 21 mi away
Voice 453.875, 460.4375
Savannah · Tennessee Advanced Communications Network (TACN)
RFSS 4 · Site 26 (hex 1A) · NAC 2A0 · about 26 mi away
Control 152.145, 152.505, 152.785
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 Chewalla?

We do not have a dispatch channel listed specifically for Chewalla. County-level dispatch channels in the same county: McNairy County Sheriff 453.9500 MHz (NAC 61F); McNairy County Sheriff 460.1750 MHz (NAC 29A).