About Bull Butte 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 Bull Butte, start with the Grenora site of North Dakota Statewide Interoperable Radio Network (SIRN 20/20), about 16 miles away. Its control channels: 853.6875, 853.9125 MHz.
- 9 listed entries are marked encrypted. No scanner can decode encrypted audio.
Williams County channels that also cover Bull Butte
Dispatch
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Williams County Sheriff | Williams County Sheriff – Dispatch | 156.2100 In 154.8300 | NAC 290 | P25 | KNEK337 |
Jails & Corrections
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Williams County Sheriff | Williams County Jail | 453.1500 In 458.1500 | 664 DPL | FMN | KNEK337 |
North Dakota Statewide Interoperable Radio Network (SIRN 20/20)
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Williams County Sheriff | County Sheriff Pursuit | 53109 | cf75 | T |
9 encrypted talkgroups (cannot be monitored)
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Williams County Sheriff | County Sheriff's Dispatch (Linked w/ 156.210) | 53101 | cf6d | T Encrypted |
| Williams County Sheriff | County Sheriff Dispatch | 53102 | cf6e | T Encrypted |
| Williams County Sheriff | County SWAT | 53107 | cf73 | T Encrypted |
| Williams County Sheriff | County SWAT | 53108 | cf74 | T Encrypted |
| Williams County Sheriff | Northwest Drug Task Force | 53112 | cf78 | T Encrypted |
| Williams County Sheriff | Sheriff Operations | 53103 | cf6f | T Encrypted |
| Williams County Sheriff | Sheriff Operations | 53104 | cf70 | T Encrypted |
| Williams County Sheriff | Sheriff Operations | 53105 | cf71 | T Encrypted |
| Williams County Sheriff | Williams County Correctional Center | 53127 | cf87 | T Encrypted |
Nearest trunked radio sites
Distances are measured from the center of Bull Butte.
Grenora · North Dakota Statewide Interoperable Radio Network (SIRN 20/20)
RFSS 1 · Site 45 (hex 2D) · NAC A6C · about 16 mi away
Control 853.6875, 853.9125
Voice 853.4625
Williston Metro Simulcast · North Dakota Statewide Interoperable Radio Network (SIRN 20/20)
RFSS 1 · Site 2 (hex 2) · NAC A61 · about 18 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 28 mi away
Control 852.1375, 852.3625
Voice 851.8625
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 Bull Butte?
We do not have a dispatch channel listed specifically for Bull Butte. County-level dispatch channels in the same county: Williams County Sheriff 156.2100 MHz (NAC 290).