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Post Mountain Police Frequencies

We do not have frequencies listed specifically for Post Mountain in Trinity County, California yet. Countywide channels for Trinity County that may also cover this area are shown below when we have them. The closest trunked radio site we have is Hoadley Peak (California Radio Interoperable System (CRIS)), about 31 miles away.

About Post Mountain 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.

Trinity County channels that also cover Post Mountain

Dispatch

AgencyDescriptionFrequency (MHz)ToneModeFCC
Trinity County SheriffTrinity County Sheriff – Dispatch154.8600
In 159.2100
218.1 PLFMNWPCV354

Nearest trunked radio sites

Distances are measured from the center of Post Mountain.

Hoadley Peak · California Radio Interoperable System (CRIS)
RFSS 1 · Site 86 (hex 56) · NAC 9D6 · about 31 mi away
Control 154.9425, 155.46
Voice 154.7025, 155.655
Pratt Mountain · California Radio Interoperable System (CRIS)
RFSS 1 · Site 78 (hex 4E) · NAC 9D1 · about 32 mi away
Control 154.665, 155.49
Voice 155.205, 155.9625
South Fork Mountain VHF · California Radio Interoperable System (CRIS)
RFSS 1 · Site 125 (hex 7D) · NAC 9D5 · about 41 mi away
Control 151.13, 154.6725, 155.3775
Voice 155.9025
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 Post Mountain?

We do not have a dispatch channel listed specifically for Post Mountain. County-level dispatch channels in the same county: Trinity County Sheriff 154.8600 MHz (218.1 PL).