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East Fork Police Frequencies

We do not have frequencies listed specifically for East Fork in Williams County, North Dakota yet. Countywide channels for Williams County that may also cover this area are shown below when we have them. The closest trunked radio site we have is Williston Metro Simulcast (North Dakota Statewide Interoperable Radio Network (SIRN 20/20)), about 10 miles away.

About East Fork 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.
  • Trunked radio systems that carry law-enforcement traffic here: North Dakota Statewide Interoperable Radio Network (SIRN 20/20): 10 talkgroups. A trunking scanner is required, and it must support the system type shown.
  • To follow a trunked system, program a control channel first. For East Fork, start with the Williston Metro Simulcast site of North Dakota Statewide Interoperable Radio Network (SIRN 20/20), about 10 miles away. Its control channels: 853.2625, 853.8125 MHz.
  • 9 listed entries are marked encrypted. No scanner can decode encrypted audio.

Williams County channels that also cover East Fork

Dispatch

Dispatch frequencies for Williams County
AgencyDescriptionFrequency (MHz)ToneModeFCC
Williams County SheriffWilliams County Sheriff – Dispatch156.2100
In 154.8300
NAC 290P25KNEK337

Jails & Corrections

Jails & Corrections frequencies for Williams County
AgencyDescriptionFrequency (MHz)ToneModeFCC
Williams County SheriffWilliams County Jail453.1500
In 458.1500
664 DPLFMNKNEK337

North Dakota Statewide Interoperable Radio Network (SIRN 20/20)

North Dakota Statewide Interoperable Radio Network (SIRN 20/20) talkgroups
AgencyDescriptionTalkgroupHexMode
Williams County SheriffCounty Sheriff Pursuit53109cf75T
9 encrypted talkgroups (cannot be monitored)
North Dakota Statewide Interoperable Radio Network (SIRN 20/20) encrypted talkgroups
AgencyDescriptionTalkgroupHexMode
Williams County SheriffCounty Sheriff's Dispatch (Linked w/ 156.210)53101cf6dT Encrypted
Williams County SheriffCounty Sheriff Dispatch53102cf6eT Encrypted
Williams County SheriffCounty SWAT53107cf73T Encrypted
Williams County SheriffCounty SWAT53108cf74T Encrypted
Williams County SheriffNorthwest Drug Task Force53112cf78T Encrypted
Williams County SheriffSheriff Operations53103cf6fT Encrypted
Williams County SheriffSheriff Operations53104cf70T Encrypted
Williams County SheriffSheriff Operations53105cf71T Encrypted
Williams County SheriffWilliams County Correctional Center53127cf87T Encrypted

Nearest trunked radio sites

Distances are measured from the center of East Fork.

Williston Metro Simulcast · North Dakota Statewide Interoperable Radio Network (SIRN 20/20)
RFSS 1 · Site 2 (hex 2) · NAC A61 · about 10 mi away
Control 853.2625, 853.8125
Voice 852.8625, 853.1375
Williston State Tower · North Dakota Statewide Interoperable Radio Network (SIRN 20/20)
RFSS 1 · Site 46 (hex 2E) · NAC A6D · about 16 mi away
Control 852.1375, 852.3625
Voice 851.8625
Alamo · North Dakota Statewide Interoperable Radio Network (SIRN 20/20)
RFSS 1 · Site 47 (hex 2F) · NAC A6E · about 20 mi away
Control 852.0375, 852.2625
Voice 851.7625
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 Fork?

We do not have a dispatch channel listed specifically for East Fork. County-level dispatch channels in the same county: Williams County Sheriff 156.2100 MHz (NAC 290).