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Greenwich Police Frequencies

Greenwich in Huron County, Ohio has 0 conventional frequencies and 1 trunked talkgroup listed for local agencies. The closest trunked radio site we have is New London (Ohio MARCS-IP: Multi-Agency Radio Communications), about 8 miles away.

About Greenwich 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.
  • 1 conventional channel uses a digital mode (NXDN48), which needs a scanner that decodes that mode.
  • Trunked radio systems that carry law-enforcement traffic here: Huron County (P25) (Project 25): 1 talkgroup; Huron County (P25) (Project 25): 1 talkgroup; Ohio MARCS-IP: Multi-Agency Radio Communications: 1 talkgroup. A trunking scanner is required, and it must support the system type shown.
  • To follow a trunked system, program a control channel first. For Greenwich, start with the New London site of Ohio MARCS-IP: Multi-Agency Radio Communications, about 8 miles away. Its control channels: 774.45625, 774.70625 MHz.
  • 2 listed entries are marked encrypted. No scanner can decode encrypted audio.

Greenwich trunked talkgroups

Huron County (P25)

Project 25

1 encrypted talkgroup (cannot be monitored)
Huron County (P25) encrypted talkgroups
AgencyDescriptionTalkgroupHexMode
Huron County SheriffGreenwich, Monroeville, New London and Wakeman Police Dispatch256246418T Encrypted

Huron County channels that also cover Greenwich

Dispatch

Dispatch frequencies for Huron County
AgencyDescriptionFrequency (MHz)ToneModeFCC
Huron County Sheriff DispatchHuron County Sheriff Dispatch155.4900
In 153.8750
RAN 1NXDN48KQE658

Jails & Corrections

Jails & Corrections frequencies for Huron County
AgencyDescriptionFrequency (MHz)ToneModeFCC
Huron County SheriffHuron County Jail154.8150
In 158.9250
162.2 PLFMNKQE658

Huron County (P25)

Project 25

1 encrypted talkgroup (cannot be monitored)
Huron County (P25) encrypted talkgroups
AgencyDescriptionTalkgroupHexMode
Huron County SheriffHuron County Sheriff – Dispatch256326420T Encrypted

Ohio MARCS-IP: Multi-Agency Radio Communications

Ohio MARCS-IP: Multi-Agency Radio Communications talkgroups
AgencyDescriptionTalkgroupHexMode
Huron County State CorrectionsAdult Parole Authority – Huron Unit52860ce7cD

Nearest trunked radio sites

Distances are measured from the center of Greenwich.

New London · Ohio MARCS-IP: Multi-Agency Radio Communications
RFSS 2 · Site 53 (hex 35) · NAC 344 · about 8 mi away
Control 774.45625, 774.70625
Voice 769.78125, 773.70625, 773.98125
Huron Co Simul · Huron County (P25)
Project 25 · RFSS 40 · Site 40 (hex 28) · NAC 293 · about 9 mi away
Control 769.60625, 769.85625, 770.35625
Voice 771.00625
Shelby (Plymouth) · Ohio MARCS-IP: Multi-Agency Radio Communications
RFSS 2 · Site 71 (hex 47) · NAC 341 · about 10 mi away
Control 853.7625, 853.9875
Voice 851.2625, 851.475, 851.675, 852.625, 853.325, 853.525
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 Greenwich?

We do not have a dispatch channel listed specifically for Greenwich. County-level dispatch channels in the same county: Huron County Sheriff Dispatch 155.4900 MHz (RAN 1).

Are Greenwich police talkgroups encrypted?

1 of the 1 talkgroups listed for Greenwich are marked fully or partly encrypted; a scanner cannot decode encrypted audio.