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Riverside Police Frequencies

We do not have frequencies listed specifically for Riverside in Clay County, South Dakota yet. Countywide channels for Clay County that may also cover this area are shown below when we have them. The closest trunked radio site we have is Beresford (South Dakota State Radio System), about 10 miles away.

About Riverside 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 Riverside, start with the Beresford site of South Dakota State Radio System, about 10 miles away. Its control channels: 157.325, 159.465 MHz.

Clay County channels that also cover Riverside

South Dakota State Radio System

AgencyDescriptionTalkgroupHexMode
Clay County SheriffLaw 11364554D
Clay County SheriffUSD Police1619653D
Clay County SheriffLaw 21365555D

Nearest trunked radio sites

Distances are measured from the center of Riverside.

Beresford · South Dakota State Radio System
RFSS 1 · Site 52 (hex 34) · NAC 471 · about 10 mi away
Control 157.325, 159.465
Voice 157.785, 158.175
Vermillion · South Dakota State Radio System
RFSS 1 · Site 35 (hex 23) · NAC 473 · about 17 mi away
Control 157.2, 159.285
Voice 157.2875, 157.3875
Yankton FPC · Federal Prison Camp Yankton
RFSS 1 · Site 1 (hex 1) · NAC 8D0 · about 21 mi away
Control 407.0125, 408.25, 409.4125, 410.2
Voice 410.4
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.