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Custer Police Frequencies

We do not have frequencies listed specifically for Custer in Corson County, South Dakota yet. Countywide channels for Corson County that may also cover this area are shown below when we have them. The closest trunked radio site we have is Lemmon (Shade Hill) (South Dakota State Radio System), about 18 miles away.

About Custer Police Frequencies

  • 1 conventional channel is analog FM, so any scanner can receive it. Enter the frequency and set the tone shown in the table.
  • Trunked radio systems that carry law-enforcement traffic here: South Dakota State Radio System: 3 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 Custer, start with the Lemmon (Shade Hill) site of South Dakota State Radio System, about 18 miles away. Its control channels: 158.58, 159.45 MHz.

Corson County channels that also cover Custer

Dispatch

AgencyDescriptionFrequency (MHz)ToneModeFCC
Corson County SheriffCorson County Sheriff – Dispatch155.5350
In 158.8500
156.7 PLFMNWPWH538

South Dakota State Radio System

AgencyDescriptionTalkgroupHexMode
Corson County SheriffStanding Rock Reservation Law13284D
Corson County SheriffCorson County Sheriff – Dispatch10093f1D
Corson County SheriffCorson County Sheriff – Alternate162965dD

Nearest trunked radio sites

Distances are measured from the center of Custer.

Lemmon (Shade Hill) · South Dakota State Radio System
RFSS 1 · Site 38 (hex 26) · about 18 mi away
Control 158.58, 159.45
Voice 156.195, 159.045
Isabel · South Dakota State Radio System
RFSS 1 · Site 9 (hex 9) · about 37 mi away
Control 159.405, 159.735
Voice 159.12, 159.975
McLaughlin · South Dakota State Radio System
RFSS 1 · Site 37 (hex 25) · about 46 mi away
Control 155.655, 157.92
Voice 158.52, 159.285
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 Custer?

We do not have a dispatch channel listed specifically for Custer. County-level dispatch channels in the same county: Corson County Sheriff 155.5350 MHz (156.7 PL).