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Great Falls Police Frequencies

Great Falls in Chester County, South Carolina has 2 conventional frequencies and 3 trunked talkgroups listed for local agencies. The closest trunked radio site we have is Ember Lane (Palmetto 800), about 5 miles away.

About Great Falls 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 (DMR, P25), which needs a scanner that decodes those modes.
  • Trunked radio systems that carry law-enforcement traffic here: Palmetto 800: 3 talkgroups; Palmetto 800: 5 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 Great Falls, start with the Ember Lane site of Palmetto 800, about 5 miles away. Its control channels: 854.6125 MHz.
  • 9 listed entries are marked encrypted. No scanner can decode encrypted audio.

Great Falls conventional frequencies

Dispatch

AgencyDescriptionFrequency (MHz)ToneModeFCC
Great Falls PoliceGreat Falls Police Department158.8500CC 11 · TG * · SL 2DMR KNFM239

Tactical

AgencyDescriptionFrequency (MHz)ToneModeFCC
Great Falls PoliceGreat Falls Police Department155.5350FMKNFM239

Great Falls trunked talkgroups

Palmetto 800

3 encrypted talkgroups (cannot be monitored)
AgencyDescriptionTalkgroupHexMode
Great Falls PoliceGreat Falls Police Department 1 Dispatch42411a5abD
Great Falls PoliceGreat Falls Police Department 2 Secure42412a5acD
Great Falls PoliceGreat Falls Police Department 3 Roam42413a5adD

Chester County channels that also cover Great Falls

Tactical

AgencyDescriptionFrequency (MHz)ToneModeFCC
Chester County SheriffChester Co. SD Narcotics157.4000127.3 PLFM—
Chester County SheriffSheriff Palm800 Backup853.5750
In 808.5750
NAC 293P25WQRC550

Palmetto 800

5 encrypted talkgroups (cannot be monitored)
AgencyDescriptionTalkgroupHexMode
Chester County SheriffCh Dispatch42001a411D
Chester County SheriffChester County Sheriff – Tactical Channel42002a412D
Chester County SheriffChester County Sheriff – Tactical Channel42003a413D
Chester County SheriffChester County Sheriff – Tactical Channel42004a414D
Chester County SheriffChester County Sheriff – Tactical Channel42005a415D

Nearest trunked radio sites

Distances are measured from the center of Great Falls.

Ember Lane · Palmetto 800
RFSS 2 · Site 88 (hex 58) · about 5 mi away
Control 854.6125
Voice 851.1875, 851.975, 852.7875, 853.7375, 854.1375, 856.9625
Blackstock · Palmetto 800
RFSS 2 · Site 83 (hex 53) · about 6 mi away
Control 773.96875
Voice 772.20625, 772.21875, 772.74375, 773.45625, 773.46875, 774.89375
Lancaster County Simulcast · Palmetto 800
RFSS 2 · Site 29 (hex 1D) · about 13 mi away
Control 773.18125, 773.19375, 773.65625, 773.66875
Voice 771.53125, 771.54375, 772.15625, 772.16875, 772.48125, 772.49375
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 Great Falls?

Dispatch channels listed for Great Falls: Great Falls Police 158.8500 MHz (CC 11 · TG * · SL 2).

Are Great Falls police talkgroups encrypted?

3 of the 3 talkgroups listed for Great Falls are marked fully or partly encrypted; a scanner cannot decode encrypted audio.