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East Alma Police Frequencies

We do not have frequencies listed specifically for East Alma in Cavalier County, North Dakota yet. Countywide channels for Cavalier County that may also cover this area are shown below when we have them. The closest trunked radio site we have is Milton (North Dakota Statewide Interoperable Radio Network (SIRN 20/20)), about 3 miles away.

About East Alma 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 (P25), which needs a scanner that decodes that mode.

Cavalier County channels that also cover East Alma

Dispatch

Dispatch frequencies for Cavalier County
AgencyDescriptionFrequency (MHz)ToneModeFCC
Cavalier County SheriffSheriff 1 Dispatch151.4600NAC 788P25KAH539
Cavalier County SheriffSheriff / Roads / Busses155.7600
In 153.9200
118.8 PLFMNKJY780

Nearest trunked radio sites

Distances are measured from the center of East Alma.

Milton · North Dakota Statewide Interoperable Radio Network (SIRN 20/20)
RFSS 1 · Site 29 (hex 1D) · NAC A6C · about 3 mi away
Control 851.8125, 852.3125
Voice 851.5875
Walhalla · North Dakota Statewide Interoperable Radio Network (SIRN 20/20)
RFSS 1 · Site 95 (hex 5F) · about 21 mi away
Control 853.7125
Voice 853.2625, 853.4875
Olga · North Dakota Statewide Interoperable Radio Network (SIRN 20/20)
RFSS 1 · Site 73 (hex 49) · about 23 mi away
Control 853.7625
Voice 853.3125, 853.5375
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 East Alma?

We do not have a dispatch channel listed specifically for East Alma. County-level dispatch channels in the same county: Cavalier County Sheriff 151.4600 MHz (NAC 788); Cavalier County Sheriff 155.7600 MHz (118.8 PL).