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Hillcrest Colony Police Frequencies

We do not have frequencies listed specifically for Hillcrest Colony in Clark County, South Dakota yet. Countywide channels for Clark County that may also cover this area are shown below when we have them. The closest trunked radio site we have is Crandall (South Dakota State Radio System), about 20 miles away.

About Hillcrest Colony Police Frequencies

  • 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 Hillcrest Colony, start with the Crandall site of South Dakota State Radio System, about 20 miles away. Its control channels: 156.24, 159.15, 160.14 MHz.

Clark County channels that also cover Hillcrest Colony

South Dakota State Radio System

AgencyDescriptionTalkgroupHexMode
Clark County SheriffClark County Sheriff – Dispatch11984aeD
Clark County SheriffLaw 112014b1D
Clark County SheriffLaw 211974adD

Nearest trunked radio sites

Distances are measured from the center of Hillcrest Colony.

Crandall · South Dakota State Radio System
RFSS 1 · Site 21 (hex 15) · NAC 475 · about 20 mi away
Control 156.24, 159.15, 160.14
Voice 159.69
Watertown · South Dakota State Radio System
RFSS 1 · Site 41 (hex 29) · NAC 477 · about 28 mi away
Control 157.89, 158.67
Voice 158.01, 158.52
Webster · South Dakota State Radio System
RFSS 1 · Site 16 (hex 10) · NAC 470 · about 28 mi away
Control 157.35, 158.985
Voice 156.195, 159.93
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.