Skip to content

Grenville Police Frequencies

We do not have frequencies listed specifically for Grenville in Union County, New Mexico yet. Countywide channels for Union County that may also cover this area are shown below when we have them. The closest trunked radio site we have is Sierra Grande (New Mexico DTRS), about 17 miles away.

About Grenville Police Frequencies

  • 2 conventional channels are analog FM, so any scanner can receive them. Enter the frequency and set the tone shown in the table.

Union County channels that also cover Grenville

Dispatch

AgencyDescriptionFrequency (MHz)ToneModeFCC
Union County SheriffUnion County Sheriff – Dispatch155.6250
In 154.7850
110.9 PLFMNWNDS255

Talk-around & Car-to-Car

AgencyDescriptionFrequency (MHz)ToneModeFCC
Union County SheriffSheriff Vehicle Repeater151.4075FMNWQJS216

Nearest trunked radio sites

Distances are measured from the center of Grenville.

Sierra Grande · New Mexico DTRS
RFSS 1 · Site 79 (hex 4F) · NAC 859 · about 17 mi away
Control 769.70625, 769.95625, 770.41875
Voice 770.69375
Clayton · New Mexico DTRS
RFSS 1 · Site 51 (hex 33) · NAC 851 · about 26 mi away
Control 769.16875, 769.41875, 769.66875
NENMCF · New Mexico DTRS
RFSS 1 · Site 71 (hex 47) · NAC 851 · about 29 mi away
Control 769.90625, 770.46875, 774.56875
Voice 774.81875
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 Grenville?

We do not have a dispatch channel listed specifically for Grenville. County-level dispatch channels in the same county: Union County Sheriff 155.6250 MHz (110.9 PL).