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South Palmyra Police Frequencies

We do not have frequencies listed specifically for South Palmyra in Macoupin County, Illinois yet. Countywide channels for Macoupin County that may also cover this area are shown below when we have them. The closest trunked radio site we have is Nilwood (STARCOM21 Statewide Illinois), about 7 miles away.

About South Palmyra Police Frequencies

  • 8 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, NXDN48), which needs a scanner that decodes those modes.
  • 1 listed entry is marked encrypted. No scanner can decode encrypted audio.

Macoupin County channels that also cover South Palmyra

Dispatch

AgencyDescriptionFrequency (MHz)ToneModeFCC
Macoupin County SheriffMacoupin County Sheriff – Dispatch151.2125
In 153.8000
NAC 351P25WQJV865
Macoupin County SheriffRural Law – Dispatch "Local Government"154.7850
In 159.1050
351 DPLFMNWPFS699
Macoupin County SheriffMobile Extenders173.2500131.8 PLFMN—
Macoupin County SheriffMobile Extenders173.250069.3 PLFMN—
Macoupin County SheriffMobile Extenders173.250074.4 PLFMN—
Macoupin County SheriffMobile Extenders173.390069.3 PLFMN—
Mt. OliveLocal Government
Patched to 154.785
159.4500
In 153.7775
152 DPLFMNWPEM829
Mt. Olive PoliceMt. Olive Police – Dispatch154.0925
In 151.3025
074 DPLFMN WPEM829

Tactical

AgencyDescriptionFrequency (MHz)ToneModeFCC
Macoupin County SheriffCar-to-Car / Events151.2125047 DPLFMNWQJV865

Jails & Corrections

AgencyDescriptionFrequency (MHz)ToneModeFCC
Macoupin County SheriffJail / Courthouse Operations151.0325
In 156.0675
NXDN48WSIC897

Nearest trunked radio sites

Distances are measured from the center of South Palmyra.

Nilwood · STARCOM21 Statewide Illinois
RFSS 3 · Site 24 (hex 18) · NAC 14D · about 7 mi away
Control 770.69375, 774.45625, 774.80625
Voice 773.05625, 856.3375, 857.3375
Beaver Dam State Park · STARCOM21 Statewide Illinois
RFSS 3 · Site 7 (hex 7) · NAC 14C · about 13 mi away
Control 851.9, 852.425
Voice 851.375, 854.2125, 858.9625, 859.2125
Lynnville · STARCOM21 Statewide Illinois
RFSS 2 · Site 38 (hex 26) · NAC 14B · about 26 mi away
Control 851.8875, 852.4125, 852.9375
Voice 851.3625, 853.4625, 858.3375
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 South Palmyra?

We do not have a dispatch channel listed specifically for South Palmyra. County-level dispatch channels in the same county: Macoupin County Sheriff 151.2125 MHz (NAC 351); Macoupin County Sheriff 154.7850 MHz (351 DPL); Macoupin County Sheriff 173.2500 MHz (131.8 PL); Macoupin County Sheriff 173.2500 MHz (69.3 PL).