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Sierra Brooks Police Frequencies

We do not have frequencies listed specifically for Sierra Brooks in Sierra County, California yet. Countywide channels for Sierra County that may also cover this area are shown below when we have them. The closest trunked radio site we have is Truckee CHP (California Radio Interoperable System (CRIS)), about 21 miles away.

About Sierra Brooks 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.

Sierra County channels that also cover Sierra Brooks

Dispatch

AgencyDescriptionFrequency (MHz)ToneModeFCC
Sierra County SheriffSierra County Sheriff – Dispatch153.7850
In 155.7300
173.8 PLFMNWQAI263

Tactical

AgencyDescriptionFrequency (MHz)ToneModeFCC
Sierra County SheriffRuby Bluff460.3250151.4 PLFMNWQAI263

Nearest trunked radio sites

Distances are measured from the center of Sierra Brooks.

Truckee CHP · California Radio Interoperable System (CRIS)
RFSS 1 · Site 119 (hex 77) · NAC 9D9 · about 21 mi away
Control 770.20625, 770.94375, 773.54375, 773.81875
Voice 774.28125, 774.79375
Donner Beacon · California Radio Interoperable System (CRIS)
RFSS 1 · Site 33 (hex 21) · NAC 9D3 · about 23 mi away
Control 770.44375, 773.06875, 773.56875, 774.05625
Voice 774.29375, 774.81875
Signal Peak · Placer Interoperable Radio Communications System (PIRCS)
RFSS 1 · Site 5 (hex 5) · NAC 2D5 · about 27 mi away
Control 152.0975, 152.1725, 152.1875
Voice 152.6675
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 Sierra Brooks?

We do not have a dispatch channel listed specifically for Sierra Brooks. County-level dispatch channels in the same county: Sierra County Sheriff 153.7850 MHz (173.8 PL).